Home / 908,087.88-1,253,051.54-520,883.24

Finding the Fourth Proportional to 908,087.88, 1,253,051.54 and 520,883.24

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Solution

The fourth proportional to 908,087.88, 1,253,051.54 and 520,883.24 is: 718,755.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,087.88 : 1,253,051.54 = 520,883.24 : x
  2. Step 2: Convert to fraction form
    908,087.88/1,253,051.54 = 520,883.24/x
  3. Step 3: Cross multiply
    908,087.88x = 1,253,051.54 × 520,883.24
  4. Step 4: Simplify right side
    908,087.88x = 652,693,546,042.19
  5. Step 5: Solve for x
    x = 652,693,546,042.19/908,087.88
  6. Step 6: Final answer
    x = 718,755.93

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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.