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Finding the Fourth Proportional to 637,755.85, 880,102.93 and 351,275.94

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Solution

The fourth proportional to 637,755.85, 880,102.93 and 351,275.94 is: 484,760.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,755.85 : 880,102.93 = 351,275.94 : x
  2. Step 2: Convert to fraction form
    637,755.85/880,102.93 = 351,275.94/x
  3. Step 3: Cross multiply
    637,755.85x = 880,102.93 × 351,275.94
  4. Step 4: Simplify right side
    637,755.85x = 309,158,984,032.50
  5. Step 5: Solve for x
    x = 309,158,984,032.50/637,755.85
  6. Step 6: Final answer
    x = 484,760.72

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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.