Home / 637,424.25-880,435.38-462,715.62

Finding the Fourth Proportional to 637,424.25, 880,435.38 and 462,715.62

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Solution

The fourth proportional to 637,424.25, 880,435.38 and 462,715.62 is: 639,120.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,424.25 : 880,435.38 = 462,715.62 : x
  2. Step 2: Convert to fraction form
    637,424.25/880,435.38 = 462,715.62/x
  3. Step 3: Cross multiply
    637,424.25x = 880,435.38 × 462,715.62
  4. Step 4: Simplify right side
    637,424.25x = 407,391,202,726.64
  5. Step 5: Solve for x
    x = 407,391,202,726.64/637,424.25
  6. Step 6: Final answer
    x = 639,120.97

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.