Home / 775,521.92-1,163,249.92-243,031.20

Finding the Fourth Proportional to 775,521.92, 1,163,249.92 and 243,031.20

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Solution

The fourth proportional to 775,521.92, 1,163,249.92 and 243,031.20 is: 364,536.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,521.92 : 1,163,249.92 = 243,031.20 : x
  2. Step 2: Convert to fraction form
    775,521.92/1,163,249.92 = 243,031.20/x
  3. Step 3: Cross multiply
    775,521.92x = 1,163,249.92 × 243,031.20
  4. Step 4: Simplify right side
    775,521.92x = 282,706,023,957.50
  5. Step 5: Solve for x
    x = 282,706,023,957.50/775,521.92
  6. Step 6: Final answer
    x = 364,536.47

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Double scale
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Similar ratio
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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.