Home / 971,234.40-1,456,603.09-287,961.48

Finding the Fourth Proportional to 971,234.40, 1,456,603.09 and 287,961.48

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Solution

The fourth proportional to 971,234.40, 1,456,603.09 and 287,961.48 is: 431,868.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,234.40 : 1,456,603.09 = 287,961.48 : x
  2. Step 2: Convert to fraction form
    971,234.40/1,456,603.09 = 287,961.48/x
  3. Step 3: Cross multiply
    971,234.40x = 1,456,603.09 × 287,961.48
  4. Step 4: Simplify right side
    971,234.40x = 419,445,575,005.86
  5. Step 5: Solve for x
    x = 419,445,575,005.86/971,234.40
  6. Step 6: Final answer
    x = 431,868.53

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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.