Home / 787,102.06-1,179,656.24-502,682.72

Finding the Fourth Proportional to 787,102.06, 1,179,656.24 and 502,682.72

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Solution

The fourth proportional to 787,102.06, 1,179,656.24 and 502,682.72 is: 753,387.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,102.06 : 1,179,656.24 = 502,682.72 : x
  2. Step 2: Convert to fraction form
    787,102.06/1,179,656.24 = 502,682.72/x
  3. Step 3: Cross multiply
    787,102.06x = 1,179,656.24 × 502,682.72
  4. Step 4: Simplify right side
    787,102.06x = 592,992,807,388.17
  5. Step 5: Solve for x
    x = 592,992,807,388.17/787,102.06
  6. Step 6: Final answer
    x = 753,387.44

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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.