Home / 724,129.32-1,086,267.90-250,813.80

Finding the Fourth Proportional to 724,129.32, 1,086,267.90 and 250,813.80

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Solution

The fourth proportional to 724,129.32, 1,086,267.90 and 250,813.80 is: 376,246.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,129.32 : 1,086,267.90 = 250,813.80 : x
  2. Step 2: Convert to fraction form
    724,129.32/1,086,267.90 = 250,813.80/x
  3. Step 3: Cross multiply
    724,129.32x = 1,086,267.90 × 250,813.80
  4. Step 4: Simplify right side
    724,129.32x = 272,450,979,817.02
  5. Step 5: Solve for x
    x = 272,450,979,817.02/724,129.32
  6. Step 6: Final answer
    x = 376,246.30

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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.