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Finding the Fourth Proportional to 518,182.88, 777,274.48 and 400,026.72

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Solution

The fourth proportional to 518,182.88, 777,274.48 and 400,026.72 is: 600,040.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,182.88 : 777,274.48 = 400,026.72 : x
  2. Step 2: Convert to fraction form
    518,182.88/777,274.48 = 400,026.72/x
  3. Step 3: Cross multiply
    518,182.88x = 777,274.48 × 400,026.72
  4. Step 4: Simplify right side
    518,182.88x = 310,930,560,774.11
  5. Step 5: Solve for x
    x = 310,930,560,774.11/518,182.88
  6. Step 6: Final answer
    x = 600,040.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.