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Finding the Fourth Proportional to 600,311.24, 828,418.64 and 328,376.76

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Solution

The fourth proportional to 600,311.24, 828,418.64 and 328,376.76 is: 453,153.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,311.24 : 828,418.64 = 328,376.76 : x
  2. Step 2: Convert to fraction form
    600,311.24/828,418.64 = 328,376.76/x
  3. Step 3: Cross multiply
    600,311.24x = 828,418.64 × 328,376.76
  4. Step 4: Simplify right side
    600,311.24x = 272,033,427,284.92
  5. Step 5: Solve for x
    x = 272,033,427,284.92/600,311.24
  6. Step 6: Final answer
    x = 453,153.98

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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.