Home / 739,200.27-1,108,323.68-289,966.53

Finding the Fourth Proportional to 739,200.27, 1,108,323.68 and 289,966.53

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Solution

The fourth proportional to 739,200.27, 1,108,323.68 and 289,966.53 is: 434,762.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,200.27 : 1,108,323.68 = 289,966.53 : x
  2. Step 2: Convert to fraction form
    739,200.27/1,108,323.68 = 289,966.53/x
  3. Step 3: Cross multiply
    739,200.27x = 1,108,323.68 × 289,966.53
  4. Step 4: Simplify right side
    739,200.27x = 321,376,770,156.60
  5. Step 5: Solve for x
    x = 321,376,770,156.60/739,200.27
  6. Step 6: Final answer
    x = 434,762.79

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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.