Home / 763,721.60-1,146,806.40-607,251.20

Finding the Fourth Proportional to 763,721.60, 1,146,806.40 and 607,251.20

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Solution

The fourth proportional to 763,721.60, 1,146,806.40 and 607,251.20 is: 911,850.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,721.60 : 1,146,806.40 = 607,251.20 : x
  2. Step 2: Convert to fraction form
    763,721.60/1,146,806.40 = 607,251.20/x
  3. Step 3: Cross multiply
    763,721.60x = 1,146,806.40 × 607,251.20
  4. Step 4: Simplify right side
    763,721.60x = 696,399,562,567.68
  5. Step 5: Solve for x
    x = 696,399,562,567.68/763,721.60
  6. Step 6: Final answer
    x = 911,850.03

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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.