Home / 765,337.15-1,055,811.87-493,492.36

Finding the Fourth Proportional to 765,337.15, 1,055,811.87 and 493,492.36

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Solution

The fourth proportional to 765,337.15, 1,055,811.87 and 493,492.36 is: 680,791.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,337.15 : 1,055,811.87 = 493,492.36 : x
  2. Step 2: Convert to fraction form
    765,337.15/1,055,811.87 = 493,492.36/x
  3. Step 3: Cross multiply
    765,337.15x = 1,055,811.87 × 493,492.36
  4. Step 4: Simplify right side
    765,337.15x = 521,035,091,442.31
  5. Step 5: Solve for x
    x = 521,035,091,442.31/765,337.15
  6. Step 6: Final answer
    x = 680,791.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.