Home / 724,999.60-1,087,499.40-711,002.80

Finding the Fourth Proportional to 724,999.60, 1,087,499.40 and 711,002.80

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Solution

The fourth proportional to 724,999.60, 1,087,499.40 and 711,002.80 is: 1,066,504.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,999.60 : 1,087,499.40 = 711,002.80 : x
  2. Step 2: Convert to fraction form
    724,999.60/1,087,499.40 = 711,002.80/x
  3. Step 3: Cross multiply
    724,999.60x = 1,087,499.40 × 711,002.80
  4. Step 4: Simplify right side
    724,999.60x = 773,215,118,398.32
  5. Step 5: Solve for x
    x = 773,215,118,398.32/724,999.60
  6. Step 6: Final answer
    x = 1,066,504.20

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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.