Home / 724,822.10-1,087,751.55-304,399.70

Finding the Fourth Proportional to 724,822.10, 1,087,751.55 and 304,399.70

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Solution

The fourth proportional to 724,822.10, 1,087,751.55 and 304,399.70 is: 456,817.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,822.10 : 1,087,751.55 = 304,399.70 : x
  2. Step 2: Convert to fraction form
    724,822.10/1,087,751.55 = 304,399.70/x
  3. Step 3: Cross multiply
    724,822.10x = 1,087,751.55 × 304,399.70
  4. Step 4: Simplify right side
    724,822.10x = 331,111,245,494.54
  5. Step 5: Solve for x
    x = 331,111,245,494.54/724,822.10
  6. Step 6: Final answer
    x = 456,817.26

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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.