Home / 739,509.15-1,109,407.51-284,067.09

Finding the Fourth Proportional to 739,509.15, 1,109,407.51 and 284,067.09

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Solution

The fourth proportional to 739,509.15, 1,109,407.51 and 284,067.09 is: 426,155.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,509.15 : 1,109,407.51 = 284,067.09 : x
  2. Step 2: Convert to fraction form
    739,509.15/1,109,407.51 = 284,067.09/x
  3. Step 3: Cross multiply
    739,509.15x = 1,109,407.51 × 284,067.09
  4. Step 4: Simplify right side
    739,509.15x = 315,146,163,344.93
  5. Step 5: Solve for x
    x = 315,146,163,344.93/739,509.15
  6. Step 6: Final answer
    x = 426,155.87

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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.