Home / 572,320.85-858,499.56-287,856.14

Finding the Fourth Proportional to 572,320.85, 858,499.56 and 287,856.14

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Solution

The fourth proportional to 572,320.85, 858,499.56 and 287,856.14 is: 431,793.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,320.85 : 858,499.56 = 287,856.14 : x
  2. Step 2: Convert to fraction form
    572,320.85/858,499.56 = 287,856.14/x
  3. Step 3: Cross multiply
    572,320.85x = 858,499.56 × 287,856.14
  4. Step 4: Simplify right side
    572,320.85x = 247,124,365,240.80
  5. Step 5: Solve for x
    x = 247,124,365,240.80/572,320.85
  6. Step 6: Final answer
    x = 431,793.40

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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.