Home / 956,989.80-1,436,140.80-424,892.70

Finding the Fourth Proportional to 956,989.80, 1,436,140.80 and 424,892.70

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Solution

The fourth proportional to 956,989.80, 1,436,140.80 and 424,892.70 is: 637,630.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,989.80 : 1,436,140.80 = 424,892.70 : x
  2. Step 2: Convert to fraction form
    956,989.80/1,436,140.80 = 424,892.70/x
  3. Step 3: Cross multiply
    956,989.80x = 1,436,140.80 × 424,892.70
  4. Step 4: Simplify right side
    956,989.80x = 610,205,742,092.16
  5. Step 5: Solve for x
    x = 610,205,742,092.16/956,989.80
  6. Step 6: Final answer
    x = 637,630.35

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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.