Home / 749,149.48-1,034,107.40-491,043.04

Finding the Fourth Proportional to 749,149.48, 1,034,107.40 and 491,043.04

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Solution

The fourth proportional to 749,149.48, 1,034,107.40 and 491,043.04 is: 677,823.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,149.48 : 1,034,107.40 = 491,043.04 : x
  2. Step 2: Convert to fraction form
    749,149.48/1,034,107.40 = 491,043.04/x
  3. Step 3: Cross multiply
    749,149.48x = 1,034,107.40 × 491,043.04
  4. Step 4: Simplify right side
    749,149.48x = 507,791,241,382.50
  5. Step 5: Solve for x
    x = 507,791,241,382.50/749,149.48
  6. Step 6: Final answer
    x = 677,823.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.