Home / 874,878.11-1,312,833.85-369,406.38

Finding the Fourth Proportional to 874,878.11, 1,312,833.85 and 369,406.38

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Solution

The fourth proportional to 874,878.11, 1,312,833.85 and 369,406.38 is: 554,327.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,878.11 : 1,312,833.85 = 369,406.38 : x
  2. Step 2: Convert to fraction form
    874,878.11/1,312,833.85 = 369,406.38/x
  3. Step 3: Cross multiply
    874,878.11x = 1,312,833.85 × 369,406.38
  4. Step 4: Simplify right side
    874,878.11x = 484,969,199,146.45
  5. Step 5: Solve for x
    x = 484,969,199,146.45/874,878.11
  6. Step 6: Final answer
    x = 554,327.74

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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.