Home / 500,330.38-690,447.63-270,885.83

Finding the Fourth Proportional to 500,330.38, 690,447.63 and 270,885.83

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Solution

The fourth proportional to 500,330.38, 690,447.63 and 270,885.83 is: 373,817.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,330.38 : 690,447.63 = 270,885.83 : x
  2. Step 2: Convert to fraction form
    500,330.38/690,447.63 = 270,885.83/x
  3. Step 3: Cross multiply
    500,330.38x = 690,447.63 × 270,885.83
  4. Step 4: Simplify right side
    500,330.38x = 187,032,482,066.02
  5. Step 5: Solve for x
    x = 187,032,482,066.02/500,330.38
  6. Step 6: Final answer
    x = 373,817.96

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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.