Home / 946,724.10-1,420,098.71-315,638.12

Finding the Fourth Proportional to 946,724.10, 1,420,098.71 and 315,638.12

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Solution

The fourth proportional to 946,724.10, 1,420,098.71 and 315,638.12 is: 473,461.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,724.10 : 1,420,098.71 = 315,638.12 : x
  2. Step 2: Convert to fraction form
    946,724.10/1,420,098.71 = 315,638.12/x
  3. Step 3: Cross multiply
    946,724.10x = 1,420,098.71 × 315,638.12
  4. Step 4: Simplify right side
    946,724.10x = 448,237,281,910.56
  5. Step 5: Solve for x
    x = 448,237,281,910.56/946,724.10
  6. Step 6: Final answer
    x = 473,461.36

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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.