Home / 914,377.92-1,371,657.08-315,260.20

Finding the Fourth Proportional to 914,377.92, 1,371,657.08 and 315,260.20

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Solution

The fourth proportional to 914,377.92, 1,371,657.08 and 315,260.20 is: 472,921.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,377.92 : 1,371,657.08 = 315,260.20 : x
  2. Step 2: Convert to fraction form
    914,377.92/1,371,657.08 = 315,260.20/x
  3. Step 3: Cross multiply
    914,377.92x = 1,371,657.08 × 315,260.20
  4. Step 4: Simplify right side
    914,377.92x = 432,428,885,372.22
  5. Step 5: Solve for x
    x = 432,428,885,372.22/914,377.92
  6. Step 6: Final answer
    x = 472,921.40

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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.