Home / 724,919.08-1,087,426.01-192,425.89

Finding the Fourth Proportional to 724,919.08, 1,087,426.01 and 192,425.89

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Solution

The fourth proportional to 724,919.08, 1,087,426.01 and 192,425.89 is: 288,651.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,919.08 : 1,087,426.01 = 192,425.89 : x
  2. Step 2: Convert to fraction form
    724,919.08/1,087,426.01 = 192,425.89/x
  3. Step 3: Cross multiply
    724,919.08x = 1,087,426.01 × 192,425.89
  4. Step 4: Simplify right side
    724,919.08x = 209,248,917,783.40
  5. Step 5: Solve for x
    x = 209,248,917,783.40/724,919.08
  6. Step 6: Final answer
    x = 288,651.41

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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.