Home / 908,808.96-1,254,228.50-500,983.38

Finding the Fourth Proportional to 908,808.96, 1,254,228.50 and 500,983.38

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Solution

The fourth proportional to 908,808.96, 1,254,228.50 and 500,983.38 is: 691,396.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,808.96 : 1,254,228.50 = 500,983.38 : x
  2. Step 2: Convert to fraction form
    908,808.96/1,254,228.50 = 500,983.38/x
  3. Step 3: Cross multiply
    908,808.96x = 1,254,228.50 × 500,983.38
  4. Step 4: Simplify right side
    908,808.96x = 628,347,634,474.79
  5. Step 5: Solve for x
    x = 628,347,634,474.79/908,808.96
  6. Step 6: Final answer
    x = 691,396.83

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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.