Home / 389,948.10-585,359.55-301,593.30

Finding the Fourth Proportional to 389,948.10, 585,359.55 and 301,593.30

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Solution

The fourth proportional to 389,948.10, 585,359.55 and 301,593.30 is: 452,728.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,948.10 : 585,359.55 = 301,593.30 : x
  2. Step 2: Convert to fraction form
    389,948.10/585,359.55 = 301,593.30/x
  3. Step 3: Cross multiply
    389,948.10x = 585,359.55 × 301,593.30
  4. Step 4: Simplify right side
    389,948.10x = 176,540,518,371.02
  5. Step 5: Solve for x
    x = 176,540,518,371.02/389,948.10
  6. Step 6: Final answer
    x = 452,728.24

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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.