Home / 747,000.75-1,120,510.85-248,364.75

Finding the Fourth Proportional to 747,000.75, 1,120,510.85 and 248,364.75

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Solution

The fourth proportional to 747,000.75, 1,120,510.85 and 248,364.75 is: 372,550.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,000.75 : 1,120,510.85 = 248,364.75 : x
  2. Step 2: Convert to fraction form
    747,000.75/1,120,510.85 = 248,364.75/x
  3. Step 3: Cross multiply
    747,000.75x = 1,120,510.85 × 248,364.75
  4. Step 4: Simplify right side
    747,000.75x = 278,295,395,890.71
  5. Step 5: Solve for x
    x = 278,295,395,890.71/747,000.75
  6. Step 6: Final answer
    x = 372,550.36

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Double scale
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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.