Home / 530,293.95-731,821.02-288,592.11

Finding the Fourth Proportional to 530,293.95, 731,821.02 and 288,592.11

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Solution

The fourth proportional to 530,293.95, 731,821.02 and 288,592.11 is: 398,265.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,293.95 : 731,821.02 = 288,592.11 : x
  2. Step 2: Convert to fraction form
    530,293.95/731,821.02 = 288,592.11/x
  3. Step 3: Cross multiply
    530,293.95x = 731,821.02 × 288,592.11
  4. Step 4: Simplify right side
    530,293.95x = 211,197,772,304.15
  5. Step 5: Solve for x
    x = 211,197,772,304.15/530,293.95
  6. Step 6: Final answer
    x = 398,265.48

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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.