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Finding the Fourth Proportional to 600,334.40, 828,461.19 and 328,402.22

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Solution

The fourth proportional to 600,334.40, 828,461.19 and 328,402.22 is: 453,194.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,334.40 : 828,461.19 = 328,402.22 : x
  2. Step 2: Convert to fraction form
    600,334.40/828,461.19 = 328,402.22/x
  3. Step 3: Cross multiply
    600,334.40x = 828,461.19 × 328,402.22
  4. Step 4: Simplify right side
    600,334.40x = 272,068,493,979.84
  5. Step 5: Solve for x
    x = 272,068,493,979.84/600,334.40
  6. Step 6: Final answer
    x = 453,194.91

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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.