Home / 724,608.30-1,086,912.45-556,452.30

Finding the Fourth Proportional to 724,608.30, 1,086,912.45 and 556,452.30

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Solution

The fourth proportional to 724,608.30, 1,086,912.45 and 556,452.30 is: 834,678.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,608.30 : 1,086,912.45 = 556,452.30 : x
  2. Step 2: Convert to fraction form
    724,608.30/1,086,912.45 = 556,452.30/x
  3. Step 3: Cross multiply
    724,608.30x = 1,086,912.45 × 556,452.30
  4. Step 4: Simplify right side
    724,608.30x = 604,814,932,701.14
  5. Step 5: Solve for x
    x = 604,814,932,701.14/724,608.30
  6. Step 6: Final answer
    x = 834,678.45

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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.