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Finding the Fourth Proportional to 615,695.04, 923,634.92 and 216,265.44

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Solution

The fourth proportional to 615,695.04, 923,634.92 and 216,265.44 is: 324,430.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,695.04 : 923,634.92 = 216,265.44 : x
  2. Step 2: Convert to fraction form
    615,695.04/923,634.92 = 216,265.44/x
  3. Step 3: Cross multiply
    615,695.04x = 923,634.92 × 216,265.44
  4. Step 4: Simplify right side
    615,695.04x = 199,750,312,373.17
  5. Step 5: Solve for x
    x = 199,750,312,373.17/615,695.04
  6. Step 6: Final answer
    x = 324,430.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.