Home / 723,731.85-1,085,600.57-302,712.39

Finding the Fourth Proportional to 723,731.85, 1,085,600.57 and 302,712.39

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Solution

The fourth proportional to 723,731.85, 1,085,600.57 and 302,712.39 is: 454,069.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,731.85 : 1,085,600.57 = 302,712.39 : x
  2. Step 2: Convert to fraction form
    723,731.85/1,085,600.57 = 302,712.39/x
  3. Step 3: Cross multiply
    723,731.85x = 1,085,600.57 × 302,712.39
  4. Step 4: Simplify right side
    723,731.85x = 328,624,741,616.50
  5. Step 5: Solve for x
    x = 328,624,741,616.50/723,731.85
  6. Step 6: Final answer
    x = 454,069.75

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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.