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Finding the Fourth Proportional to 807,610.32, 1,114,502.30 and 468,275.40

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Solution

The fourth proportional to 807,610.32, 1,114,502.30 and 468,275.40 is: 646,220.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,610.32 : 1,114,502.30 = 468,275.40 : x
  2. Step 2: Convert to fraction form
    807,610.32/1,114,502.30 = 468,275.40/x
  3. Step 3: Cross multiply
    807,610.32x = 1,114,502.30 × 468,275.40
  4. Step 4: Simplify right side
    807,610.32x = 521,894,010,333.42
  5. Step 5: Solve for x
    x = 521,894,010,333.42/807,610.32
  6. Step 6: Final answer
    x = 646,220.09

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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.