Home / 745,322.52-1,117,826.76-239,928.60

Finding the Fourth Proportional to 745,322.52, 1,117,826.76 and 239,928.60

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Solution

The fourth proportional to 745,322.52, 1,117,826.76 and 239,928.60 is: 359,842.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,322.52 : 1,117,826.76 = 239,928.60 : x
  2. Step 2: Convert to fraction form
    745,322.52/1,117,826.76 = 239,928.60/x
  3. Step 3: Cross multiply
    745,322.52x = 1,117,826.76 × 239,928.60
  4. Step 4: Simplify right side
    745,322.52x = 268,198,609,569.34
  5. Step 5: Solve for x
    x = 268,198,609,569.34/745,322.52
  6. Step 6: Final answer
    x = 359,842.35

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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.