Home / 908,887.14-1,254,207.45-500,992.20

Finding the Fourth Proportional to 908,887.14, 1,254,207.45 and 500,992.20

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Solution

The fourth proportional to 908,887.14, 1,254,207.45 and 500,992.20 is: 691,337.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,887.14 : 1,254,207.45 = 500,992.20 : x
  2. Step 2: Convert to fraction form
    908,887.14/1,254,207.45 = 500,992.20/x
  3. Step 3: Cross multiply
    908,887.14x = 1,254,207.45 × 500,992.20
  4. Step 4: Simplify right side
    908,887.14x = 628,348,149,631.89
  5. Step 5: Solve for x
    x = 628,348,149,631.89/908,887.14
  6. Step 6: Final answer
    x = 691,337.93

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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.