Home / 758,445.62-1,137,672.81-253,005.35

Finding the Fourth Proportional to 758,445.62, 1,137,672.81 and 253,005.35

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Solution

The fourth proportional to 758,445.62, 1,137,672.81 and 253,005.35 is: 379,509.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,445.62 : 1,137,672.81 = 253,005.35 : x
  2. Step 2: Convert to fraction form
    758,445.62/1,137,672.81 = 253,005.35/x
  3. Step 3: Cross multiply
    758,445.62x = 1,137,672.81 × 253,005.35
  4. Step 4: Simplify right side
    758,445.62x = 287,837,301,791.17
  5. Step 5: Solve for x
    x = 287,837,301,791.17/758,445.62
  6. Step 6: Final answer
    x = 379,509.48

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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.