Home / 749,735.12-1,034,608.72-427,548.92

Finding the Fourth Proportional to 749,735.12, 1,034,608.72 and 427,548.92

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Solution

The fourth proportional to 749,735.12, 1,034,608.72 and 427,548.92 is: 590,002.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,735.12 : 1,034,608.72 = 427,548.92 : x
  2. Step 2: Convert to fraction form
    749,735.12/1,034,608.72 = 427,548.92/x
  3. Step 3: Cross multiply
    749,735.12x = 1,034,608.72 × 427,548.92
  4. Step 4: Simplify right side
    749,735.12x = 442,345,840,858.58
  5. Step 5: Solve for x
    x = 442,345,840,858.58/749,735.12
  6. Step 6: Final answer
    x = 590,002.83

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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.