Home / 908,142.96-1,253,237.16-526,391.16

Finding the Fourth Proportional to 908,142.96, 1,253,237.16 and 526,391.16

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Solution

The fourth proportional to 908,142.96, 1,253,237.16 and 526,391.16 is: 726,419.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,142.96 : 1,253,237.16 = 526,391.16 : x
  2. Step 2: Convert to fraction form
    908,142.96/1,253,237.16 = 526,391.16/x
  3. Step 3: Cross multiply
    908,142.96x = 1,253,237.16 × 526,391.16
  4. Step 4: Simplify right side
    908,142.96x = 659,692,962,407.51
  5. Step 5: Solve for x
    x = 659,692,962,407.51/908,142.96
  6. Step 6: Final answer
    x = 726,419.73

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.