Home / 908,165.20-1,362,247.80-376,724.20

Finding the Fourth Proportional to 908,165.20, 1,362,247.80 and 376,724.20

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Solution

The fourth proportional to 908,165.20, 1,362,247.80 and 376,724.20 is: 565,086.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,165.20 : 1,362,247.80 = 376,724.20 : x
  2. Step 2: Convert to fraction form
    908,165.20/1,362,247.80 = 376,724.20/x
  3. Step 3: Cross multiply
    908,165.20x = 1,362,247.80 × 376,724.20
  4. Step 4: Simplify right side
    908,165.20x = 513,191,712,656.76
  5. Step 5: Solve for x
    x = 513,191,712,656.76/908,165.20
  6. Step 6: Final answer
    x = 565,086.30

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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.