Home / 749,909.88-1,034,921.34-427,682.16

Finding the Fourth Proportional to 749,909.88, 1,034,921.34 and 427,682.16

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Solution

The fourth proportional to 749,909.88, 1,034,921.34 and 427,682.16 is: 590,227.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,909.88 : 1,034,921.34 = 427,682.16 : x
  2. Step 2: Convert to fraction form
    749,909.88/1,034,921.34 = 427,682.16/x
  3. Step 3: Cross multiply
    749,909.88x = 1,034,921.34 × 427,682.16
  4. Step 4: Simplify right side
    749,909.88x = 442,617,394,121.29
  5. Step 5: Solve for x
    x = 442,617,394,121.29/749,909.88
  6. Step 6: Final answer
    x = 590,227.45

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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.