Home / 559,375.56-771,931.24-304,721.28

Finding the Fourth Proportional to 559,375.56, 771,931.24 and 304,721.28

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Solution

The fourth proportional to 559,375.56, 771,931.24 and 304,721.28 is: 420,511.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,375.56 : 771,931.24 = 304,721.28 : x
  2. Step 2: Convert to fraction form
    559,375.56/771,931.24 = 304,721.28/x
  3. Step 3: Cross multiply
    559,375.56x = 771,931.24 × 304,721.28
  4. Step 4: Simplify right side
    559,375.56x = 235,223,875,524.79
  5. Step 5: Solve for x
    x = 235,223,875,524.79/559,375.56
  6. Step 6: Final answer
    x = 420,511.54

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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.