Home / 887,507.30-1,330,386.15-437,860.10

Finding the Fourth Proportional to 887,507.30, 1,330,386.15 and 437,860.10

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Solution

The fourth proportional to 887,507.30, 1,330,386.15 and 437,860.10 is: 656,358.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,507.30 : 1,330,386.15 = 437,860.10 : x
  2. Step 2: Convert to fraction form
    887,507.30/1,330,386.15 = 437,860.10/x
  3. Step 3: Cross multiply
    887,507.30x = 1,330,386.15 × 437,860.10
  4. Step 4: Simplify right side
    887,507.30x = 582,523,012,677.62
  5. Step 5: Solve for x
    x = 582,523,012,677.62/887,507.30
  6. Step 6: Final answer
    x = 656,358.56

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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.