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Finding the Fourth Proportional to 677,901.96, 935,505 and 376,095.96

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Solution

The fourth proportional to 677,901.96, 935,505 and 376,095.96 is: 519,012.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,901.96 : 935,505 = 376,095.96 : x
  2. Step 2: Convert to fraction form
    677,901.96/935,505 = 376,095.96/x
  3. Step 3: Cross multiply
    677,901.96x = 935,505 × 376,095.96
  4. Step 4: Simplify right side
    677,901.96x = 351,839,651,059.80
  5. Step 5: Solve for x
    x = 351,839,651,059.80/677,901.96
  6. Step 6: Final answer
    x = 519,012.59

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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.