Home / 768,557.52-1,152,833.76-207,592.20

Finding the Fourth Proportional to 768,557.52, 1,152,833.76 and 207,592.20

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Solution

The fourth proportional to 768,557.52, 1,152,833.76 and 207,592.20 is: 311,387.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,557.52 : 1,152,833.76 = 207,592.20 : x
  2. Step 2: Convert to fraction form
    768,557.52/1,152,833.76 = 207,592.20/x
  3. Step 3: Cross multiply
    768,557.52x = 1,152,833.76 × 207,592.20
  4. Step 4: Simplify right side
    768,557.52x = 239,319,296,472.67
  5. Step 5: Solve for x
    x = 239,319,296,472.67/768,557.52
  6. Step 6: Final answer
    x = 311,387.62

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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.