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Finding the Fourth Proportional to 637,760.01, 880,108.74 and 351,280.10

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Solution

The fourth proportional to 637,760.01, 880,108.74 and 351,280.10 is: 484,766.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,760.01 : 880,108.74 = 351,280.10 : x
  2. Step 2: Convert to fraction form
    637,760.01/880,108.74 = 351,280.10/x
  3. Step 3: Cross multiply
    637,760.01x = 880,108.74 × 351,280.10
  4. Step 4: Simplify right side
    637,760.01x = 309,164,688,398.35
  5. Step 5: Solve for x
    x = 309,164,688,398.35/637,760.01
  6. Step 6: Final answer
    x = 484,766.50

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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.