Home / 926,887.60-1,390,553.28-386,843.56

Finding the Fourth Proportional to 926,887.60, 1,390,553.28 and 386,843.56

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Solution

The fourth proportional to 926,887.60, 1,390,553.28 and 386,843.56 is: 580,357.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,887.60 : 1,390,553.28 = 386,843.56 : x
  2. Step 2: Convert to fraction form
    926,887.60/1,390,553.28 = 386,843.56/x
  3. Step 3: Cross multiply
    926,887.60x = 1,390,553.28 × 386,843.56
  4. Step 4: Simplify right side
    926,887.60x = 537,926,581,204.88
  5. Step 5: Solve for x
    x = 537,926,581,204.88/926,887.60
  6. Step 6: Final answer
    x = 580,357.94

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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.