Home / 958,869.76-1,439,188.08-485,890.24

Finding the Fourth Proportional to 958,869.76, 1,439,188.08 and 485,890.24

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Solution

The fourth proportional to 958,869.76, 1,439,188.08 and 485,890.24 is: 729,283.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,869.76 : 1,439,188.08 = 485,890.24 : x
  2. Step 2: Convert to fraction form
    958,869.76/1,439,188.08 = 485,890.24/x
  3. Step 3: Cross multiply
    958,869.76x = 1,439,188.08 × 485,890.24
  4. Step 4: Simplify right side
    958,869.76x = 699,287,441,596.34
  5. Step 5: Solve for x
    x = 699,287,441,596.34/958,869.76
  6. Step 6: Final answer
    x = 729,283.03

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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.