Home / 658,727.12-987,328.06-302,994.56

Finding the Fourth Proportional to 658,727.12, 987,328.06 and 302,994.56

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Solution

The fourth proportional to 658,727.12, 987,328.06 and 302,994.56 is: 454,141.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,727.12 : 987,328.06 = 302,994.56 : x
  2. Step 2: Convert to fraction form
    658,727.12/987,328.06 = 302,994.56/x
  3. Step 3: Cross multiply
    658,727.12x = 987,328.06 × 302,994.56
  4. Step 4: Simplify right side
    658,727.12x = 299,155,031,115.35
  5. Step 5: Solve for x
    x = 299,155,031,115.35/658,727.12
  6. Step 6: Final answer
    x = 454,141.06

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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.