Home / 745,451.19-1,118,355.53-240,059.79

Finding the Fourth Proportional to 745,451.19, 1,118,355.53 and 240,059.79

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Solution

The fourth proportional to 745,451.19, 1,118,355.53 and 240,059.79 is: 360,147.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,451.19 : 1,118,355.53 = 240,059.79 : x
  2. Step 2: Convert to fraction form
    745,451.19/1,118,355.53 = 240,059.79/x
  3. Step 3: Cross multiply
    745,451.19x = 1,118,355.53 × 240,059.79
  4. Step 4: Simplify right side
    745,451.19x = 268,472,192,476.84
  5. Step 5: Solve for x
    x = 268,472,192,476.84/745,451.19
  6. Step 6: Final answer
    x = 360,147.25

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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.