Home / 946,752.18-1,420,140.83-315,666.20

Finding the Fourth Proportional to 946,752.18, 1,420,140.83 and 315,666.20

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Solution

The fourth proportional to 946,752.18, 1,420,140.83 and 315,666.20 is: 473,503.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,752.18 : 1,420,140.83 = 315,666.20 : x
  2. Step 2: Convert to fraction form
    946,752.18/1,420,140.83 = 315,666.20/x
  3. Step 3: Cross multiply
    946,752.18x = 1,420,140.83 × 315,666.20
  4. Step 4: Simplify right side
    946,752.18x = 448,290,450,591.91
  5. Step 5: Solve for x
    x = 448,290,450,591.91/946,752.18
  6. Step 6: Final answer
    x = 473,503.48

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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.