Home / 724,999.80-1,087,499.70-556,843.80

Finding the Fourth Proportional to 724,999.80, 1,087,499.70 and 556,843.80

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Solution

The fourth proportional to 724,999.80, 1,087,499.70 and 556,843.80 is: 835,265.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,999.80 : 1,087,499.70 = 556,843.80 : x
  2. Step 2: Convert to fraction form
    724,999.80/1,087,499.70 = 556,843.80/x
  3. Step 3: Cross multiply
    724,999.80x = 1,087,499.70 × 556,843.80
  4. Step 4: Simplify right side
    724,999.80x = 605,567,465,446.86
  5. Step 5: Solve for x
    x = 605,567,465,446.86/724,999.80
  6. Step 6: Final answer
    x = 835,265.70

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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.