Home / 971,147.80-1,456,721.70-908,939.80

Finding the Fourth Proportional to 971,147.80, 1,456,721.70 and 908,939.80

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Solution

The fourth proportional to 971,147.80, 1,456,721.70 and 908,939.80 is: 1,363,409.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,147.80 : 1,456,721.70 = 908,939.80 : x
  2. Step 2: Convert to fraction form
    971,147.80/1,456,721.70 = 908,939.80/x
  3. Step 3: Cross multiply
    971,147.80x = 1,456,721.70 × 908,939.80
  4. Step 4: Simplify right side
    971,147.80x = 1,324,072,330,653.66
  5. Step 5: Solve for x
    x = 1,324,072,330,653.66/971,147.80
  6. Step 6: Final answer
    x = 1,363,409.70

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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.