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Finding the Fourth Proportional to 552,700.20, 829,925.10 and 419,730.60

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Solution

The fourth proportional to 552,700.20, 829,925.10 and 419,730.60 is: 630,260.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,700.20 : 829,925.10 = 419,730.60 : x
  2. Step 2: Convert to fraction form
    552,700.20/829,925.10 = 419,730.60/x
  3. Step 3: Cross multiply
    552,700.20x = 829,925.10 × 419,730.60
  4. Step 4: Simplify right side
    552,700.20x = 348,344,960,178.06
  5. Step 5: Solve for x
    x = 348,344,960,178.06/552,700.20
  6. Step 6: Final answer
    x = 630,260.24

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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.