Home / 559,330.32-771,887.76-304,680.96

Finding the Fourth Proportional to 559,330.32, 771,887.76 and 304,680.96

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Solution

The fourth proportional to 559,330.32, 771,887.76 and 304,680.96 is: 420,466.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,330.32 : 771,887.76 = 304,680.96 : x
  2. Step 2: Convert to fraction form
    559,330.32/771,887.76 = 304,680.96/x
  3. Step 3: Cross multiply
    559,330.32x = 771,887.76 × 304,680.96
  4. Step 4: Simplify right side
    559,330.32x = 235,179,503,729.05
  5. Step 5: Solve for x
    x = 235,179,503,729.05/559,330.32
  6. Step 6: Final answer
    x = 420,466.22

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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.