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Finding the Fourth Proportional to 504,639.78, 756,830.76 and 149,570.76

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Solution

The fourth proportional to 504,639.78, 756,830.76 and 149,570.76 is: 224,317.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,639.78 : 756,830.76 = 149,570.76 : x
  2. Step 2: Convert to fraction form
    504,639.78/756,830.76 = 149,570.76/x
  3. Step 3: Cross multiply
    504,639.78x = 756,830.76 × 149,570.76
  4. Step 4: Simplify right side
    504,639.78x = 113,199,751,964.58
  5. Step 5: Solve for x
    x = 113,199,751,964.58/504,639.78
  6. Step 6: Final answer
    x = 224,317.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.