Home / 908,118.89-1,253,188.76-500,258.88

Finding the Fourth Proportional to 908,118.89, 1,253,188.76 and 500,258.88

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Solution

The fourth proportional to 908,118.89, 1,253,188.76 and 500,258.88 is: 690,348.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,118.89 : 1,253,188.76 = 500,258.88 : x
  2. Step 2: Convert to fraction form
    908,118.89/1,253,188.76 = 500,258.88/x
  3. Step 3: Cross multiply
    908,118.89x = 1,253,188.76 × 500,258.88
  4. Step 4: Simplify right side
    908,118.89x = 626,918,803,004.89
  5. Step 5: Solve for x
    x = 626,918,803,004.89/908,118.89
  6. Step 6: Final answer
    x = 690,348.82

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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.