Home / 724,918.08-1,087,424.51-192,424.89

Finding the Fourth Proportional to 724,918.08, 1,087,424.51 and 192,424.89

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Solution

The fourth proportional to 724,918.08, 1,087,424.51 and 192,424.89 is: 288,649.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,918.08 : 1,087,424.51 = 192,424.89 : x
  2. Step 2: Convert to fraction form
    724,918.08/1,087,424.51 = 192,424.89/x
  3. Step 3: Cross multiply
    724,918.08x = 1,087,424.51 × 192,424.89
  4. Step 4: Simplify right side
    724,918.08x = 209,247,540,757.93
  5. Step 5: Solve for x
    x = 209,247,540,757.93/724,918.08
  6. Step 6: Final answer
    x = 288,649.91

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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.