Home / 559,334.34-771,882.78-304,687.38

Finding the Fourth Proportional to 559,334.34, 771,882.78 and 304,687.38

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Solution

The fourth proportional to 559,334.34, 771,882.78 and 304,687.38 is: 420,469.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,334.34 : 771,882.78 = 304,687.38 : x
  2. Step 2: Convert to fraction form
    559,334.34/771,882.78 = 304,687.38/x
  3. Step 3: Cross multiply
    559,334.34x = 771,882.78 × 304,687.38
  4. Step 4: Simplify right side
    559,334.34x = 235,182,941,905.32
  5. Step 5: Solve for x
    x = 235,182,941,905.32/559,334.34
  6. Step 6: Final answer
    x = 420,469.34

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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.