Home / 908,090.88-1,253,173.84-500,194.24

Finding the Fourth Proportional to 908,090.88, 1,253,173.84 and 500,194.24

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Solution

The fourth proportional to 908,090.88, 1,253,173.84 and 500,194.24 is: 690,272.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,090.88 : 1,253,173.84 = 500,194.24 : x
  2. Step 2: Convert to fraction form
    908,090.88/1,253,173.84 = 500,194.24/x
  3. Step 3: Cross multiply
    908,090.88x = 1,253,173.84 × 500,194.24
  4. Step 4: Simplify right side
    908,090.88x = 626,830,336,486.68
  5. Step 5: Solve for x
    x = 626,830,336,486.68/908,090.88
  6. Step 6: Final answer
    x = 690,272.69

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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.