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Finding the Fourth Proportional to 575,982.94, 864,360.05 and 239,023.92

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Solution

The fourth proportional to 575,982.94, 864,360.05 and 239,023.92 is: 358,695.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,982.94 : 864,360.05 = 239,023.92 : x
  2. Step 2: Convert to fraction form
    575,982.94/864,360.05 = 239,023.92/x
  3. Step 3: Cross multiply
    575,982.94x = 864,360.05 × 239,023.92
  4. Step 4: Simplify right side
    575,982.94x = 206,602,727,442.40
  5. Step 5: Solve for x
    x = 206,602,727,442.40/575,982.94
  6. Step 6: Final answer
    x = 358,695.91

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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.