Home / 727,221.75-1,090,950.80-214,938.87

Finding the Fourth Proportional to 727,221.75, 1,090,950.80 and 214,938.87

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Solution

The fourth proportional to 727,221.75, 1,090,950.80 and 214,938.87 is: 322,443.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,221.75 : 1,090,950.80 = 214,938.87 : x
  2. Step 2: Convert to fraction form
    727,221.75/1,090,950.80 = 214,938.87/x
  3. Step 3: Cross multiply
    727,221.75x = 1,090,950.80 × 214,938.87
  4. Step 4: Simplify right side
    727,221.75x = 234,487,732,177.60
  5. Step 5: Solve for x
    x = 234,487,732,177.60/727,221.75
  6. Step 6: Final answer
    x = 322,443.23

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1.5x scale

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.