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Finding the Fourth Proportional to 637,695.41, 880,001.69 and 347,300.42

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Solution

The fourth proportional to 637,695.41, 880,001.69 and 347,300.42 is: 479,264.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,695.41 : 880,001.69 = 347,300.42 : x
  2. Step 2: Convert to fraction form
    637,695.41/880,001.69 = 347,300.42/x
  3. Step 3: Cross multiply
    637,695.41x = 880,001.69 × 347,300.42
  4. Step 4: Simplify right side
    637,695.41x = 305,624,950,401.20
  5. Step 5: Solve for x
    x = 305,624,950,401.20/637,695.41
  6. Step 6: Final answer
    x = 479,264.78

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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.