Home / 839,065.38-1,257,598.53-483,342.54

Finding the Fourth Proportional to 839,065.38, 1,257,598.53 and 483,342.54

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Solution

The fourth proportional to 839,065.38, 1,257,598.53 and 483,342.54 is: 724,438.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,065.38 : 1,257,598.53 = 483,342.54 : x
  2. Step 2: Convert to fraction form
    839,065.38/1,257,598.53 = 483,342.54/x
  3. Step 3: Cross multiply
    839,065.38x = 1,257,598.53 × 483,342.54
  4. Step 4: Simplify right side
    839,065.38x = 607,850,867,790.47
  5. Step 5: Solve for x
    x = 607,850,867,790.47/839,065.38
  6. Step 6: Final answer
    x = 724,438.03

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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.