Home / 677,555.28-935,019.92-371,625.44

Finding the Fourth Proportional to 677,555.28, 935,019.92 and 371,625.44

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Solution

The fourth proportional to 677,555.28, 935,019.92 and 371,625.44 is: 512,839.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,555.28 : 935,019.92 = 371,625.44 : x
  2. Step 2: Convert to fraction form
    677,555.28/935,019.92 = 371,625.44/x
  3. Step 3: Cross multiply
    677,555.28x = 935,019.92 × 371,625.44
  4. Step 4: Simplify right side
    677,555.28x = 347,477,189,178.77
  5. Step 5: Solve for x
    x = 347,477,189,178.77/677,555.28
  6. Step 6: Final answer
    x = 512,839.62

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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.