Home / 768,560.52-1,152,838.26-207,595.20

Finding the Fourth Proportional to 768,560.52, 1,152,838.26 and 207,595.20

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Solution

The fourth proportional to 768,560.52, 1,152,838.26 and 207,595.20 is: 311,392.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,560.52 : 1,152,838.26 = 207,595.20 : x
  2. Step 2: Convert to fraction form
    768,560.52/1,152,838.26 = 207,595.20/x
  3. Step 3: Cross multiply
    768,560.52x = 1,152,838.26 × 207,595.20
  4. Step 4: Simplify right side
    768,560.52x = 239,323,689,152.35
  5. Step 5: Solve for x
    x = 239,323,689,152.35/768,560.52
  6. Step 6: Final answer
    x = 311,392.12

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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.