Home / 724,223.10-1,086,334.65-556,589.55

Finding the Fourth Proportional to 724,223.10, 1,086,334.65 and 556,589.55

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Solution

The fourth proportional to 724,223.10, 1,086,334.65 and 556,589.55 is: 834,884.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,223.10 : 1,086,334.65 = 556,589.55 : x
  2. Step 2: Convert to fraction form
    724,223.10/1,086,334.65 = 556,589.55/x
  3. Step 3: Cross multiply
    724,223.10x = 1,086,334.65 × 556,589.55
  4. Step 4: Simplify right side
    724,223.10x = 604,642,513,992.91
  5. Step 5: Solve for x
    x = 604,642,513,992.91/724,223.10
  6. Step 6: Final answer
    x = 834,884.33

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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.