Home / 691,928.76-1,038,033.54-292,568.52

Finding the Fourth Proportional to 691,928.76, 1,038,033.54 and 292,568.52

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Solution

The fourth proportional to 691,928.76, 1,038,033.54 and 292,568.52 is: 438,912.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,928.76 : 1,038,033.54 = 292,568.52 : x
  2. Step 2: Convert to fraction form
    691,928.76/1,038,033.54 = 292,568.52/x
  3. Step 3: Cross multiply
    691,928.76x = 1,038,033.54 × 292,568.52
  4. Step 4: Simplify right side
    691,928.76x = 303,695,936,508.16
  5. Step 5: Solve for x
    x = 303,695,936,508.16/691,928.76
  6. Step 6: Final answer
    x = 438,912.15

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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.