Home / 747,812.70-1,121,719.05-249,176.70

Finding the Fourth Proportional to 747,812.70, 1,121,719.05 and 249,176.70

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Solution

The fourth proportional to 747,812.70, 1,121,719.05 and 249,176.70 is: 373,765.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,812.70 : 1,121,719.05 = 249,176.70 : x
  2. Step 2: Convert to fraction form
    747,812.70/1,121,719.05 = 249,176.70/x
  3. Step 3: Cross multiply
    747,812.70x = 1,121,719.05 × 249,176.70
  4. Step 4: Simplify right side
    747,812.70x = 279,506,251,206.14
  5. Step 5: Solve for x
    x = 279,506,251,206.14/747,812.70
  6. Step 6: Final answer
    x = 373,765.05

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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.