Home / 559,209.06-771,717.28-304,560.04

Finding the Fourth Proportional to 559,209.06, 771,717.28 and 304,560.04

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Solution

The fourth proportional to 559,209.06, 771,717.28 and 304,560.04 is: 420,297.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,209.06 : 771,717.28 = 304,560.04 : x
  2. Step 2: Convert to fraction form
    559,209.06/771,717.28 = 304,560.04/x
  3. Step 3: Cross multiply
    559,209.06x = 771,717.28 × 304,560.04
  4. Step 4: Simplify right side
    559,209.06x = 235,034,245,665.49
  5. Step 5: Solve for x
    x = 235,034,245,665.49/559,209.06
  6. Step 6: Final answer
    x = 420,297.64

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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.