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Finding the Fourth Proportional to 677,548.32, 935,017.20 and 375,744.48

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Solution

The fourth proportional to 677,548.32, 935,017.20 and 375,744.48 is: 518,527.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,548.32 : 935,017.20 = 375,744.48 : x
  2. Step 2: Convert to fraction form
    677,548.32/935,017.20 = 375,744.48/x
  3. Step 3: Cross multiply
    677,548.32x = 935,017.20 × 375,744.48
  4. Step 4: Simplify right side
    677,548.32x = 351,327,551,605.06
  5. Step 5: Solve for x
    x = 351,327,551,605.06/677,548.32
  6. Step 6: Final answer
    x = 518,527.67

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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.