Home / 679,849.60-1,019,774.40-364,921.60

Finding the Fourth Proportional to 679,849.60, 1,019,774.40 and 364,921.60

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Solution

The fourth proportional to 679,849.60, 1,019,774.40 and 364,921.60 is: 547,382.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,849.60 : 1,019,774.40 = 364,921.60 : x
  2. Step 2: Convert to fraction form
    679,849.60/1,019,774.40 = 364,921.60/x
  3. Step 3: Cross multiply
    679,849.60x = 1,019,774.40 × 364,921.60
  4. Step 4: Simplify right side
    679,849.60x = 372,137,705,687.04
  5. Step 5: Solve for x
    x = 372,137,705,687.04/679,849.60
  6. Step 6: Final answer
    x = 547,382.40

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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.