Home / 765,737.37-1,148,614.16-316,148.49

Finding the Fourth Proportional to 765,737.37, 1,148,614.16 and 316,148.49

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Solution

The fourth proportional to 765,737.37, 1,148,614.16 and 316,148.49 is: 474,226.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,737.37 : 1,148,614.16 = 316,148.49 : x
  2. Step 2: Convert to fraction form
    765,737.37/1,148,614.16 = 316,148.49/x
  3. Step 3: Cross multiply
    765,737.37x = 1,148,614.16 × 316,148.49
  4. Step 4: Simplify right side
    765,737.37x = 363,132,630,695.88
  5. Step 5: Solve for x
    x = 363,132,630,695.88/765,737.37
  6. Step 6: Final answer
    x = 474,226.08

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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.