Home / 724,077.66-1,086,911.05-575,274.46

Finding the Fourth Proportional to 724,077.66, 1,086,911.05 and 575,274.46

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Solution

The fourth proportional to 724,077.66, 1,086,911.05 and 575,274.46 is: 863,542.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,077.66 : 1,086,911.05 = 575,274.46 : x
  2. Step 2: Convert to fraction form
    724,077.66/1,086,911.05 = 575,274.46/x
  3. Step 3: Cross multiply
    724,077.66x = 1,086,911.05 × 575,274.46
  4. Step 4: Simplify right side
    724,077.66x = 625,272,167,356.78
  5. Step 5: Solve for x
    x = 625,272,167,356.78/724,077.66
  6. Step 6: Final answer
    x = 863,542.96

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1.5x scale

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.