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Finding the Fourth Proportional to 677,660.98, 935,192.37 and 375,848.50

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Solution

The fourth proportional to 677,660.98, 935,192.37 and 375,848.50 is: 518,682.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,660.98 : 935,192.37 = 375,848.50 : x
  2. Step 2: Convert to fraction form
    677,660.98/935,192.37 = 375,848.50/x
  3. Step 3: Cross multiply
    677,660.98x = 935,192.37 × 375,848.50
  4. Step 4: Simplify right side
    677,660.98x = 351,490,649,475.95
  5. Step 5: Solve for x
    x = 351,490,649,475.95/677,660.98
  6. Step 6: Final answer
    x = 518,682.14

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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.