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Finding the Fourth Proportional to 598,088.52, 825,155.16 and 383,347

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Solution

The fourth proportional to 598,088.52, 825,155.16 and 383,347 is: 528,886.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,088.52 : 825,155.16 = 383,347 : x
  2. Step 2: Convert to fraction form
    598,088.52/825,155.16 = 383,347/x
  3. Step 3: Cross multiply
    598,088.52x = 825,155.16 × 383,347
  4. Step 4: Simplify right side
    598,088.52x = 316,320,755,120.52
  5. Step 5: Solve for x
    x = 316,320,755,120.52/598,088.52
  6. Step 6: Final answer
    x = 528,886.18

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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.