Home / 721,012.32-1,081,522.13-188,534.52

Finding the Fourth Proportional to 721,012.32, 1,081,522.13 and 188,534.52

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Solution

The fourth proportional to 721,012.32, 1,081,522.13 and 188,534.52 is: 282,802.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,012.32 : 1,081,522.13 = 188,534.52 : x
  2. Step 2: Convert to fraction form
    721,012.32/1,081,522.13 = 188,534.52/x
  3. Step 3: Cross multiply
    721,012.32x = 1,081,522.13 × 188,534.52
  4. Step 4: Simplify right side
    721,012.32x = 203,904,254,706.26
  5. Step 5: Solve for x
    x = 203,904,254,706.26/721,012.32
  6. Step 6: Final answer
    x = 282,802.73

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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.