Home / 893,529.27-1,340,391.92-387,742.59

Finding the Fourth Proportional to 893,529.27, 1,340,391.92 and 387,742.59

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Solution

The fourth proportional to 893,529.27, 1,340,391.92 and 387,742.59 is: 581,656.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,529.27 : 1,340,391.92 = 387,742.59 : x
  2. Step 2: Convert to fraction form
    893,529.27/1,340,391.92 = 387,742.59/x
  3. Step 3: Cross multiply
    893,529.27x = 1,340,391.92 × 387,742.59
  4. Step 4: Simplify right side
    893,529.27x = 519,727,032,737.16
  5. Step 5: Solve for x
    x = 519,727,032,737.16/893,529.27
  6. Step 6: Final answer
    x = 581,656.42

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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.