Home / 1,382,552.90-2,073,829.35-385,280.90

Finding the Fourth Proportional to 1,382,552.90, 2,073,829.35 and 385,280.90

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Solution

The fourth proportional to 1,382,552.90, 2,073,829.35 and 385,280.90 is: 577,921.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,552.90 : 2,073,829.35 = 385,280.90 : x
  2. Step 2: Convert to fraction form
    1,382,552.90/2,073,829.35 = 385,280.90/x
  3. Step 3: Cross multiply
    1,382,552.90x = 2,073,829.35 × 385,280.90
  4. Step 4: Simplify right side
    1,382,552.90x = 799,006,838,414.42
  5. Step 5: Solve for x
    x = 799,006,838,414.42/1,382,552.90
  6. Step 6: Final answer
    x = 577,921.35

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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.