Home / 510,620.04-704,641.95-284,265.54

Finding the Fourth Proportional to 510,620.04, 704,641.95 and 284,265.54

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Solution

The fourth proportional to 510,620.04, 704,641.95 and 284,265.54 is: 392,278.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,620.04 : 704,641.95 = 284,265.54 : x
  2. Step 2: Convert to fraction form
    510,620.04/704,641.95 = 284,265.54/x
  3. Step 3: Cross multiply
    510,620.04x = 704,641.95 × 284,265.54
  4. Step 4: Simplify right side
    510,620.04x = 200,305,424,423.40
  5. Step 5: Solve for x
    x = 200,305,424,423.40/510,620.04
  6. Step 6: Final answer
    x = 392,278.82

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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.