Home / 958,991.40-1,437,758.10-486,016.20

Finding the Fourth Proportional to 958,991.40, 1,437,758.10 and 486,016.20

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Solution

The fourth proportional to 958,991.40, 1,437,758.10 and 486,016.20 is: 728,654.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,991.40 : 1,437,758.10 = 486,016.20 : x
  2. Step 2: Convert to fraction form
    958,991.40/1,437,758.10 = 486,016.20/x
  3. Step 3: Cross multiply
    958,991.40x = 1,437,758.10 × 486,016.20
  4. Step 4: Simplify right side
    958,991.40x = 698,773,728,281.22
  5. Step 5: Solve for x
    x = 698,773,728,281.22/958,991.40
  6. Step 6: Final answer
    x = 728,654.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.