Home / 745,287.78-1,117,932.01-239,848.69

Finding the Fourth Proportional to 745,287.78, 1,117,932.01 and 239,848.69

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Solution

The fourth proportional to 745,287.78, 1,117,932.01 and 239,848.69 is: 359,773.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,287.78 : 1,117,932.01 = 239,848.69 : x
  2. Step 2: Convert to fraction form
    745,287.78/1,117,932.01 = 239,848.69/x
  3. Step 3: Cross multiply
    745,287.78x = 1,117,932.01 × 239,848.69
  4. Step 4: Simplify right side
    745,287.78x = 268,134,531,302.57
  5. Step 5: Solve for x
    x = 268,134,531,302.57/745,287.78
  6. Step 6: Final answer
    x = 359,773.15

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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.