Home / 846,079.08-1,268,487.38-509,040.76

Finding the Fourth Proportional to 846,079.08, 1,268,487.38 and 509,040.76

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Solution

The fourth proportional to 846,079.08, 1,268,487.38 and 509,040.76 is: 763,181.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,079.08 : 1,268,487.38 = 509,040.76 : x
  2. Step 2: Convert to fraction form
    846,079.08/1,268,487.38 = 509,040.76/x
  3. Step 3: Cross multiply
    846,079.08x = 1,268,487.38 × 509,040.76
  4. Step 4: Simplify right side
    846,079.08x = 645,711,779,965.61
  5. Step 5: Solve for x
    x = 645,711,779,965.61/846,079.08
  6. Step 6: Final answer
    x = 763,181.36

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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.