Home / 1,547,414.10-2,321,121.15-425,483.10

Finding the Fourth Proportional to 1,547,414.10, 2,321,121.15 and 425,483.10

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Solution

The fourth proportional to 1,547,414.10, 2,321,121.15 and 425,483.10 is: 638,224.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,414.10 : 2,321,121.15 = 425,483.10 : x
  2. Step 2: Convert to fraction form
    1,547,414.10/2,321,121.15 = 425,483.10/x
  3. Step 3: Cross multiply
    1,547,414.10x = 2,321,121.15 × 425,483.10
  4. Step 4: Simplify right side
    1,547,414.10x = 987,597,822,377.57
  5. Step 5: Solve for x
    x = 987,597,822,377.57/1,547,414.10
  6. Step 6: Final answer
    x = 638,224.65

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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.