Home / 749,131.64-1,033,801.64-409,599.88

Finding the Fourth Proportional to 749,131.64, 1,033,801.64 and 409,599.88

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Solution

The fourth proportional to 749,131.64, 1,033,801.64 and 409,599.88 is: 565,247.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,131.64 : 1,033,801.64 = 409,599.88 : x
  2. Step 2: Convert to fraction form
    749,131.64/1,033,801.64 = 409,599.88/x
  3. Step 3: Cross multiply
    749,131.64x = 1,033,801.64 × 409,599.88
  4. Step 4: Simplify right side
    749,131.64x = 423,445,027,687.80
  5. Step 5: Solve for x
    x = 423,445,027,687.80/749,131.64
  6. Step 6: Final answer
    x = 565,247.82

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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.