Home / 572,911.31-857,743.11-476,070.95

Finding the Fourth Proportional to 572,911.31, 857,743.11 and 476,070.95

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Solution

The fourth proportional to 572,911.31, 857,743.11 and 476,070.95 is: 712,757.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,911.31 : 857,743.11 = 476,070.95 : x
  2. Step 2: Convert to fraction form
    572,911.31/857,743.11 = 476,070.95/x
  3. Step 3: Cross multiply
    572,911.31x = 857,743.11 × 476,070.95
  4. Step 4: Simplify right side
    572,911.31x = 408,346,572,944.94
  5. Step 5: Solve for x
    x = 408,346,572,944.94/572,911.31
  6. Step 6: Final answer
    x = 712,757.05

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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.