Home / 946,913.40-1,420,370.10-473,427.90

Finding the Fourth Proportional to 946,913.40, 1,420,370.10 and 473,427.90

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Solution

The fourth proportional to 946,913.40, 1,420,370.10 and 473,427.90 is: 710,141.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,913.40 : 1,420,370.10 = 473,427.90 : x
  2. Step 2: Convert to fraction form
    946,913.40/1,420,370.10 = 473,427.90/x
  3. Step 3: Cross multiply
    946,913.40x = 1,420,370.10 × 473,427.90
  4. Step 4: Simplify right side
    946,913.40x = 672,442,833,665.79
  5. Step 5: Solve for x
    x = 672,442,833,665.79/946,913.40
  6. Step 6: Final answer
    x = 710,141.85

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.