Home / 668,173.93-1,002,785.77-368,861.11

Finding the Fourth Proportional to 668,173.93, 1,002,785.77 and 368,861.11

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Solution

The fourth proportional to 668,173.93, 1,002,785.77 and 368,861.11 is: 553,581.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,173.93 : 1,002,785.77 = 368,861.11 : x
  2. Step 2: Convert to fraction form
    668,173.93/1,002,785.77 = 368,861.11/x
  3. Step 3: Cross multiply
    668,173.93x = 1,002,785.77 × 368,861.11
  4. Step 4: Simplify right side
    668,173.93x = 369,888,670,168.52
  5. Step 5: Solve for x
    x = 369,888,670,168.52/668,173.93
  6. Step 6: Final answer
    x = 553,581.42

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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.