Home / 724,846.60-1,087,529.10-304,251.40

Finding the Fourth Proportional to 724,846.60, 1,087,529.10 and 304,251.40

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Solution

The fourth proportional to 724,846.60, 1,087,529.10 and 304,251.40 is: 456,485.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,846.60 : 1,087,529.10 = 304,251.40 : x
  2. Step 2: Convert to fraction form
    724,846.60/1,087,529.10 = 304,251.40/x
  3. Step 3: Cross multiply
    724,846.60x = 1,087,529.10 × 304,251.40
  4. Step 4: Simplify right side
    724,846.60x = 330,882,251,215.74
  5. Step 5: Solve for x
    x = 330,882,251,215.74/724,846.60
  6. Step 6: Final answer
    x = 456,485.90

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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.