Home / 745,323.52-1,117,828.26-239,929.60

Finding the Fourth Proportional to 745,323.52, 1,117,828.26 and 239,929.60

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Solution

The fourth proportional to 745,323.52, 1,117,828.26 and 239,929.60 is: 359,843.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,323.52 : 1,117,828.26 = 239,929.60 : x
  2. Step 2: Convert to fraction form
    745,323.52/1,117,828.26 = 239,929.60/x
  3. Step 3: Cross multiply
    745,323.52x = 1,117,828.26 × 239,929.60
  4. Step 4: Simplify right side
    745,323.52x = 268,200,087,290.50
  5. Step 5: Solve for x
    x = 268,200,087,290.50/745,323.52
  6. Step 6: Final answer
    x = 359,843.85

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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.