Home / 572,320.60-857,789.70-291,693.40

Finding the Fourth Proportional to 572,320.60, 857,789.70 and 291,693.40

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Solution

The fourth proportional to 572,320.60, 857,789.70 and 291,693.40 is: 437,187.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,320.60 : 857,789.70 = 291,693.40 : x
  2. Step 2: Convert to fraction form
    572,320.60/857,789.70 = 291,693.40/x
  3. Step 3: Cross multiply
    572,320.60x = 857,789.70 × 291,693.40
  4. Step 4: Simplify right side
    572,320.60x = 250,211,594,077.98
  5. Step 5: Solve for x
    x = 250,211,594,077.98/572,320.60
  6. Step 6: Final answer
    x = 437,187.82

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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.