Home / 766,273.60-1,147,442.10-607,497.40

Finding the Fourth Proportional to 766,273.60, 1,147,442.10 and 607,497.40

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Solution

The fourth proportional to 766,273.60, 1,147,442.10 and 607,497.40 is: 909,685.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,273.60 : 1,147,442.10 = 607,497.40 : x
  2. Step 2: Convert to fraction form
    766,273.60/1,147,442.10 = 607,497.40/x
  3. Step 3: Cross multiply
    766,273.60x = 1,147,442.10 × 607,497.40
  4. Step 4: Simplify right side
    766,273.60x = 697,068,092,400.54
  5. Step 5: Solve for x
    x = 697,068,092,400.54/766,273.60
  6. Step 6: Final answer
    x = 909,685.64

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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.