Home / 727,064.93-1,090,763.27-221,671.10

Finding the Fourth Proportional to 727,064.93, 1,090,763.27 and 221,671.10

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Solution

The fourth proportional to 727,064.93, 1,090,763.27 and 221,671.10 is: 332,557.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,064.93 : 1,090,763.27 = 221,671.10 : x
  2. Step 2: Convert to fraction form
    727,064.93/1,090,763.27 = 221,671.10/x
  3. Step 3: Cross multiply
    727,064.93x = 1,090,763.27 × 221,671.10
  4. Step 4: Simplify right side
    727,064.93x = 241,790,693,900.50
  5. Step 5: Solve for x
    x = 241,790,693,900.50/727,064.93
  6. Step 6: Final answer
    x = 332,557.22

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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.