Home / 498,943.19-688,542.26-284,083.35

Finding the Fourth Proportional to 498,943.19, 688,542.26 and 284,083.35

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Solution

The fourth proportional to 498,943.19, 688,542.26 and 284,083.35 is: 392,035.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,943.19 : 688,542.26 = 284,083.35 : x
  2. Step 2: Convert to fraction form
    498,943.19/688,542.26 = 284,083.35/x
  3. Step 3: Cross multiply
    498,943.19x = 688,542.26 × 284,083.35
  4. Step 4: Simplify right side
    498,943.19x = 195,603,390,416.95
  5. Step 5: Solve for x
    x = 195,603,390,416.95/498,943.19
  6. Step 6: Final answer
    x = 392,035.40

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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.