Home / 745,711.48-1,029,689.46-607,912.60

Finding the Fourth Proportional to 745,711.48, 1,029,689.46 and 607,912.60

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Solution

The fourth proportional to 745,711.48, 1,029,689.46 and 607,912.60 is: 839,414.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,711.48 : 1,029,689.46 = 607,912.60 : x
  2. Step 2: Convert to fraction form
    745,711.48/1,029,689.46 = 607,912.60/x
  3. Step 3: Cross multiply
    745,711.48x = 1,029,689.46 × 607,912.60
  4. Step 4: Simplify right side
    745,711.48x = 625,961,196,821.20
  5. Step 5: Solve for x
    x = 625,961,196,821.20/745,711.48
  6. Step 6: Final answer
    x = 839,414.72

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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.