Home / 758,238.10-1,137,794.14-421,250.29

Finding the Fourth Proportional to 758,238.10, 1,137,794.14 and 421,250.29

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Solution

The fourth proportional to 758,238.10, 1,137,794.14 and 421,250.29 is: 632,118.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,238.10 : 1,137,794.14 = 421,250.29 : x
  2. Step 2: Convert to fraction form
    758,238.10/1,137,794.14 = 421,250.29/x
  3. Step 3: Cross multiply
    758,238.10x = 1,137,794.14 × 421,250.29
  4. Step 4: Simplify right side
    758,238.10x = 479,296,109,117.38
  5. Step 5: Solve for x
    x = 479,296,109,117.38/758,238.10
  6. Step 6: Final answer
    x = 632,118.21

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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.