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Finding the Fourth Proportional to 637,649.62, 880,036.95 and 365,711.66

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Solution

The fourth proportional to 637,649.62, 880,036.95 and 365,711.66 is: 504,728.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,649.62 : 880,036.95 = 365,711.66 : x
  2. Step 2: Convert to fraction form
    637,649.62/880,036.95 = 365,711.66/x
  3. Step 3: Cross multiply
    637,649.62x = 880,036.95 × 365,711.66
  4. Step 4: Simplify right side
    637,649.62x = 321,839,774,117.21
  5. Step 5: Solve for x
    x = 321,839,774,117.21/637,649.62
  6. Step 6: Final answer
    x = 504,728.25

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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.