Home / 930,399.76-1,283,948.04-522,444.88

Finding the Fourth Proportional to 930,399.76, 1,283,948.04 and 522,444.88

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Solution

The fourth proportional to 930,399.76, 1,283,948.04 and 522,444.88 is: 720,971.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,399.76 : 1,283,948.04 = 522,444.88 : x
  2. Step 2: Convert to fraction form
    930,399.76/1,283,948.04 = 522,444.88/x
  3. Step 3: Cross multiply
    930,399.76x = 1,283,948.04 × 522,444.88
  4. Step 4: Simplify right side
    930,399.76x = 670,792,079,684.04
  5. Step 5: Solve for x
    x = 670,792,079,684.04/930,399.76
  6. Step 6: Final answer
    x = 720,971.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.