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Finding the Fourth Proportional to 676,851.84, 934,056 and 375,050.88

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Solution

The fourth proportional to 676,851.84, 934,056 and 375,050.88 is: 517,570.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,851.84 : 934,056 = 375,050.88 : x
  2. Step 2: Convert to fraction form
    676,851.84/934,056 = 375,050.88/x
  3. Step 3: Cross multiply
    676,851.84x = 934,056 × 375,050.88
  4. Step 4: Simplify right side
    676,851.84x = 350,318,524,769.28
  5. Step 5: Solve for x
    x = 350,318,524,769.28/676,851.84
  6. Step 6: Final answer
    x = 517,570.47

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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.