Home / 747,007.20-1,120,510.80-186,041.70

Finding the Fourth Proportional to 747,007.20, 1,120,510.80 and 186,041.70

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Solution

The fourth proportional to 747,007.20, 1,120,510.80 and 186,041.70 is: 279,062.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,007.20 : 1,120,510.80 = 186,041.70 : x
  2. Step 2: Convert to fraction form
    747,007.20/1,120,510.80 = 186,041.70/x
  3. Step 3: Cross multiply
    747,007.20x = 1,120,510.80 × 186,041.70
  4. Step 4: Simplify right side
    747,007.20x = 208,461,734,100.36
  5. Step 5: Solve for x
    x = 208,461,734,100.36/747,007.20
  6. Step 6: Final answer
    x = 279,062.55

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Similar ratio
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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.