Home / 703,151.82-1,054,510.29-253,815.57

Finding the Fourth Proportional to 703,151.82, 1,054,510.29 and 253,815.57

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Solution

The fourth proportional to 703,151.82, 1,054,510.29 and 253,815.57 is: 380,644.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,151.82 : 1,054,510.29 = 253,815.57 : x
  2. Step 2: Convert to fraction form
    703,151.82/1,054,510.29 = 253,815.57/x
  3. Step 3: Cross multiply
    703,151.82x = 1,054,510.29 × 253,815.57
  4. Step 4: Simplify right side
    703,151.82x = 267,651,130,327.22
  5. Step 5: Solve for x
    x = 267,651,130,327.22/703,151.82
  6. Step 6: Final answer
    x = 380,644.87

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Double scale
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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.