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Finding the Fourth Proportional to 635,839.56, 877,457.88 and 349,358.94

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Solution

The fourth proportional to 635,839.56, 877,457.88 and 349,358.94 is: 482,114.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,839.56 : 877,457.88 = 349,358.94 : x
  2. Step 2: Convert to fraction form
    635,839.56/877,457.88 = 349,358.94/x
  3. Step 3: Cross multiply
    635,839.56x = 877,457.88 × 349,358.94
  4. Step 4: Simplify right side
    635,839.56x = 306,547,754,851.45
  5. Step 5: Solve for x
    x = 306,547,754,851.45/635,839.56
  6. Step 6: Final answer
    x = 482,114.95

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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.