Home / 739,878.15-1,109,867.37-260,047.61

Finding the Fourth Proportional to 739,878.15, 1,109,867.37 and 260,047.61

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Solution

The fourth proportional to 739,878.15, 1,109,867.37 and 260,047.61 is: 390,089.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,878.15 : 1,109,867.37 = 260,047.61 : x
  2. Step 2: Convert to fraction form
    739,878.15/1,109,867.37 = 260,047.61/x
  3. Step 3: Cross multiply
    739,878.15x = 1,109,867.37 × 260,047.61
  4. Step 4: Simplify right side
    739,878.15x = 288,618,360,865.98
  5. Step 5: Solve for x
    x = 288,618,360,865.98/739,878.15
  6. Step 6: Final answer
    x = 390,089.05

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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.