Home / 744,240.28-1,027,078.62-426,349.72

Finding the Fourth Proportional to 744,240.28, 1,027,078.62 and 426,349.72

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Solution

The fourth proportional to 744,240.28, 1,027,078.62 and 426,349.72 is: 588,378.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,240.28 : 1,027,078.62 = 426,349.72 : x
  2. Step 2: Convert to fraction form
    744,240.28/1,027,078.62 = 426,349.72/x
  3. Step 3: Cross multiply
    744,240.28x = 1,027,078.62 × 426,349.72
  4. Step 4: Simplify right side
    744,240.28x = 437,894,682,054.99
  5. Step 5: Solve for x
    x = 437,894,682,054.99/744,240.28
  6. Step 6: Final answer
    x = 588,378.10

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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.