Home / 724,771.18-1,087,030.41-192,346.03

Finding the Fourth Proportional to 724,771.18, 1,087,030.41 and 192,346.03

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Solution

The fourth proportional to 724,771.18, 1,087,030.41 and 192,346.03 is: 288,485.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,771.18 : 1,087,030.41 = 192,346.03 : x
  2. Step 2: Convert to fraction form
    724,771.18/1,087,030.41 = 192,346.03/x
  3. Step 3: Cross multiply
    724,771.18x = 1,087,030.41 × 192,346.03
  4. Step 4: Simplify right side
    724,771.18x = 209,085,983,852.77
  5. Step 5: Solve for x
    x = 209,085,983,852.77/724,771.18
  6. Step 6: Final answer
    x = 288,485.51

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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.