Home / 500,919.32-691,266.90-271,482.18

Finding the Fourth Proportional to 500,919.32, 691,266.90 and 271,482.18

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Solution

The fourth proportional to 500,919.32, 691,266.90 and 271,482.18 is: 374,644.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,919.32 : 691,266.90 = 271,482.18 : x
  2. Step 2: Convert to fraction form
    500,919.32/691,266.90 = 271,482.18/x
  3. Step 3: Cross multiply
    500,919.32x = 691,266.90 × 271,482.18
  4. Step 4: Simplify right side
    500,919.32x = 187,666,641,883.60
  5. Step 5: Solve for x
    x = 187,666,641,883.60/500,919.32
  6. Step 6: Final answer
    x = 374,644.45

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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.