Home / 925,094.10-1,387,641.15-326,730.90

Finding the Fourth Proportional to 925,094.10, 1,387,641.15 and 326,730.90

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Solution

The fourth proportional to 925,094.10, 1,387,641.15 and 326,730.90 is: 490,096.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,094.10 : 1,387,641.15 = 326,730.90 : x
  2. Step 2: Convert to fraction form
    925,094.10/1,387,641.15 = 326,730.90/x
  3. Step 3: Cross multiply
    925,094.10x = 1,387,641.15 × 326,730.90
  4. Step 4: Simplify right side
    925,094.10x = 453,385,241,816.54
  5. Step 5: Solve for x
    x = 453,385,241,816.54/925,094.10
  6. Step 6: Final answer
    x = 490,096.35

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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.