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Finding the Fourth Proportional to 600,332.90, 828,459.12 and 328,400.72

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Solution

The fourth proportional to 600,332.90, 828,459.12 and 328,400.72 is: 453,192.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,332.90 : 828,459.12 = 328,400.72 : x
  2. Step 2: Convert to fraction form
    600,332.90/828,459.12 = 328,400.72/x
  3. Step 3: Cross multiply
    600,332.90x = 828,459.12 × 328,400.72
  4. Step 4: Simplify right side
    600,332.90x = 272,066,571,498.57
  5. Step 5: Solve for x
    x = 272,066,571,498.57/600,332.90
  6. Step 6: Final answer
    x = 453,192.84

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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.