Home / 765,657.05-1,149,196.05-386,843.85

Finding the Fourth Proportional to 765,657.05, 1,149,196.05 and 386,843.85

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Solution

The fourth proportional to 765,657.05, 1,149,196.05 and 386,843.85 is: 580,624.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,657.05 : 1,149,196.05 = 386,843.85 : x
  2. Step 2: Convert to fraction form
    765,657.05/1,149,196.05 = 386,843.85/x
  3. Step 3: Cross multiply
    765,657.05x = 1,149,196.05 × 386,843.85
  4. Step 4: Simplify right side
    765,657.05x = 444,559,424,386.79
  5. Step 5: Solve for x
    x = 444,559,424,386.79/765,657.05
  6. Step 6: Final answer
    x = 580,624.74

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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.