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Finding the Fourth Proportional to 637,756.64, 880,104.08 and 351,276.72

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Solution

The fourth proportional to 637,756.64, 880,104.08 and 351,276.72 is: 484,761.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,756.64 : 880,104.08 = 351,276.72 : x
  2. Step 2: Convert to fraction form
    637,756.64/880,104.08 = 351,276.72/x
  3. Step 3: Cross multiply
    637,756.64x = 880,104.08 × 351,276.72
  4. Step 4: Simplify right side
    637,756.64x = 309,160,079,484.70
  5. Step 5: Solve for x
    x = 309,160,079,484.70/637,756.64
  6. Step 6: Final answer
    x = 484,761.84

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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.