Home / 871,543.26-1,307,020.59-331,671.24

Finding the Fourth Proportional to 871,543.26, 1,307,020.59 and 331,671.24

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Solution

The fourth proportional to 871,543.26, 1,307,020.59 and 331,671.24 is: 497,394.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,543.26 : 1,307,020.59 = 331,671.24 : x
  2. Step 2: Convert to fraction form
    871,543.26/1,307,020.59 = 331,671.24/x
  3. Step 3: Cross multiply
    871,543.26x = 1,307,020.59 × 331,671.24
  4. Step 4: Simplify right side
    871,543.26x = 433,501,139,790.83
  5. Step 5: Solve for x
    x = 433,501,139,790.83/871,543.26
  6. Step 6: Final answer
    x = 497,394.86

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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.