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Finding the Fourth Proportional to 630,863.20, 946,657.68 and 350,356.96

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Solution

The fourth proportional to 630,863.20, 946,657.68 and 350,356.96 is: 525,736.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,863.20 : 946,657.68 = 350,356.96 : x
  2. Step 2: Convert to fraction form
    630,863.20/946,657.68 = 350,356.96/x
  3. Step 3: Cross multiply
    630,863.20x = 946,657.68 × 350,356.96
  4. Step 4: Simplify right side
    630,863.20x = 331,668,106,925.45
  5. Step 5: Solve for x
    x = 331,668,106,925.45/630,863.20
  6. Step 6: Final answer
    x = 525,736.97

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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.