Home / 745,291.62-1,117,780.70-239,897.79

Finding the Fourth Proportional to 745,291.62, 1,117,780.70 and 239,897.79

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Solution

The fourth proportional to 745,291.62, 1,117,780.70 and 239,897.79 is: 359,796.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,291.62 : 1,117,780.70 = 239,897.79 : x
  2. Step 2: Convert to fraction form
    745,291.62/1,117,780.70 = 239,897.79/x
  3. Step 3: Cross multiply
    745,291.62x = 1,117,780.70 × 239,897.79
  4. Step 4: Simplify right side
    745,291.62x = 268,153,118,435.16
  5. Step 5: Solve for x
    x = 268,153,118,435.16/745,291.62
  6. Step 6: Final answer
    x = 359,796.23

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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.