Home / 724,345.56-999,548.40-438,023.52

Finding the Fourth Proportional to 724,345.56, 999,548.40 and 438,023.52

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Solution

The fourth proportional to 724,345.56, 999,548.40 and 438,023.52 is: 604,443.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,345.56 : 999,548.40 = 438,023.52 : x
  2. Step 2: Convert to fraction form
    724,345.56/999,548.40 = 438,023.52/x
  3. Step 3: Cross multiply
    724,345.56x = 999,548.40 × 438,023.52
  4. Step 4: Simplify right side
    724,345.56x = 437,825,708,578.37
  5. Step 5: Solve for x
    x = 437,825,708,578.37/724,345.56
  6. Step 6: Final answer
    x = 604,443.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.