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Finding the Fourth Proportional to 598,476.88, 825,151.08 and 383,263.12

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Solution

The fourth proportional to 598,476.88, 825,151.08 and 383,263.12 is: 528,424.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,476.88 : 825,151.08 = 383,263.12 : x
  2. Step 2: Convert to fraction form
    598,476.88/825,151.08 = 383,263.12/x
  3. Step 3: Cross multiply
    598,476.88x = 825,151.08 × 383,263.12
  4. Step 4: Simplify right side
    598,476.88x = 316,249,977,392.17
  5. Step 5: Solve for x
    x = 316,249,977,392.17/598,476.88
  6. Step 6: Final answer
    x = 528,424.72

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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.