Home / 678,747.60-1,017,473.40-252,169.20

Finding the Fourth Proportional to 678,747.60, 1,017,473.40 and 252,169.20

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Solution

The fourth proportional to 678,747.60, 1,017,473.40 and 252,169.20 is: 378,013.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,747.60 : 1,017,473.40 = 252,169.20 : x
  2. Step 2: Convert to fraction form
    678,747.60/1,017,473.40 = 252,169.20/x
  3. Step 3: Cross multiply
    678,747.60x = 1,017,473.40 × 252,169.20
  4. Step 4: Simplify right side
    678,747.60x = 256,575,453,299.28
  5. Step 5: Solve for x
    x = 256,575,453,299.28/678,747.60
  6. Step 6: Final answer
    x = 378,013.05

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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.