Home / 747,002.40-1,120,357.80-248,366.40

Finding the Fourth Proportional to 747,002.40, 1,120,357.80 and 248,366.40

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Solution

The fourth proportional to 747,002.40, 1,120,357.80 and 248,366.40 is: 372,501.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,002.40 : 1,120,357.80 = 248,366.40 : x
  2. Step 2: Convert to fraction form
    747,002.40/1,120,357.80 = 248,366.40/x
  3. Step 3: Cross multiply
    747,002.40x = 1,120,357.80 × 248,366.40
  4. Step 4: Simplify right side
    747,002.40x = 278,259,233,497.92
  5. Step 5: Solve for x
    x = 278,259,233,497.92/747,002.40
  6. Step 6: Final answer
    x = 372,501.12

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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.