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Finding the Fourth Proportional to 891,554.76, 1,337,285.04 and 292,437

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Solution

The fourth proportional to 891,554.76, 1,337,285.04 and 292,437 is: 438,640.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,554.76 : 1,337,285.04 = 292,437 : x
  2. Step 2: Convert to fraction form
    891,554.76/1,337,285.04 = 292,437/x
  3. Step 3: Cross multiply
    891,554.76x = 1,337,285.04 × 292,437
  4. Step 4: Simplify right side
    891,554.76x = 391,071,625,242.48
  5. Step 5: Solve for x
    x = 391,071,625,242.48/891,554.76
  6. Step 6: Final answer
    x = 438,640.05

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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.