Home / 724,924.80-1,087,387.20-724,924.80

Finding the Fourth Proportional to 724,924.80, 1,087,387.20 and 724,924.80

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Solution

The fourth proportional to 724,924.80, 1,087,387.20 and 724,924.80 is: 1,087,387.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,924.80 : 1,087,387.20 = 724,924.80 : x
  2. Step 2: Convert to fraction form
    724,924.80/1,087,387.20 = 724,924.80/x
  3. Step 3: Cross multiply
    724,924.80x = 1,087,387.20 × 724,924.80
  4. Step 4: Simplify right side
    724,924.80x = 788,273,948,482.56
  5. Step 5: Solve for x
    x = 788,273,948,482.56/724,924.80
  6. Step 6: Final answer
    x = 1,087,387.20

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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.