Home / 559,204.05-771,710.38-304,555.04

Finding the Fourth Proportional to 559,204.05, 771,710.38 and 304,555.04

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Solution

The fourth proportional to 559,204.05, 771,710.38 and 304,555.04 is: 420,290.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,204.05 : 771,710.38 = 304,555.04 : x
  2. Step 2: Convert to fraction form
    559,204.05/771,710.38 = 304,555.04/x
  3. Step 3: Cross multiply
    559,204.05x = 771,710.38 × 304,555.04
  4. Step 4: Simplify right side
    559,204.05x = 235,028,281,029.38
  5. Step 5: Solve for x
    x = 235,028,281,029.38/559,204.05
  6. Step 6: Final answer
    x = 420,290.73

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1.5x scale

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.