Home / 747,875.24-1,121,631.42-249,174.44

Finding the Fourth Proportional to 747,875.24, 1,121,631.42 and 249,174.44

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Solution

The fourth proportional to 747,875.24, 1,121,631.42 and 249,174.44 is: 373,701.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,875.24 : 1,121,631.42 = 249,174.44 : x
  2. Step 2: Convert to fraction form
    747,875.24/1,121,631.42 = 249,174.44/x
  3. Step 3: Cross multiply
    747,875.24x = 1,121,631.42 × 249,174.44
  4. Step 4: Simplify right side
    747,875.24x = 279,481,880,964.91
  5. Step 5: Solve for x
    x = 279,481,880,964.91/747,875.24
  6. Step 6: Final answer
    x = 373,701.21

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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.