Home / 712,401.80-1,068,257.10-396,523.40

Finding the Fourth Proportional to 712,401.80, 1,068,257.10 and 396,523.40

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Solution

The fourth proportional to 712,401.80, 1,068,257.10 and 396,523.40 is: 594,592.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,401.80 : 1,068,257.10 = 396,523.40 : x
  2. Step 2: Convert to fraction form
    712,401.80/1,068,257.10 = 396,523.40/x
  3. Step 3: Cross multiply
    712,401.80x = 1,068,257.10 × 396,523.40
  4. Step 4: Simplify right side
    712,401.80x = 423,588,937,366.14
  5. Step 5: Solve for x
    x = 423,588,937,366.14/712,401.80
  6. Step 6: Final answer
    x = 594,592.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.