Home / 781,513.02-1,172,257.18-249,026.42

Finding the Fourth Proportional to 781,513.02, 1,172,257.18 and 249,026.42

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Solution

The fourth proportional to 781,513.02, 1,172,257.18 and 249,026.42 is: 373,535.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,513.02 : 1,172,257.18 = 249,026.42 : x
  2. Step 2: Convert to fraction form
    781,513.02/1,172,257.18 = 249,026.42/x
  3. Step 3: Cross multiply
    781,513.02x = 1,172,257.18 × 249,026.42
  4. Step 4: Simplify right side
    781,513.02x = 291,923,011,162.77
  5. Step 5: Solve for x
    x = 291,923,011,162.77/781,513.02
  6. Step 6: Final answer
    x = 373,535.70

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Half scale
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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.