Home / 758,193.60-1,135,792.80-492,139.20

Finding the Fourth Proportional to 758,193.60, 1,135,792.80 and 492,139.20

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Solution

The fourth proportional to 758,193.60, 1,135,792.80 and 492,139.20 is: 737,236.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,193.60 : 1,135,792.80 = 492,139.20 : x
  2. Step 2: Convert to fraction form
    758,193.60/1,135,792.80 = 492,139.20/x
  3. Step 3: Cross multiply
    758,193.60x = 1,135,792.80 × 492,139.20
  4. Step 4: Simplify right side
    758,193.60x = 558,968,159,957.76
  5. Step 5: Solve for x
    x = 558,968,159,957.76/758,193.60
  6. Step 6: Final answer
    x = 737,236.72

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1.5x scale

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.