Home / 922,002.78-1,382,215.32-353,791.64

Finding the Fourth Proportional to 922,002.78, 1,382,215.32 and 353,791.64

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Solution

The fourth proportional to 922,002.78, 1,382,215.32 and 353,791.64 is: 530,384.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,002.78 : 1,382,215.32 = 353,791.64 : x
  2. Step 2: Convert to fraction form
    922,002.78/1,382,215.32 = 353,791.64/x
  3. Step 3: Cross multiply
    922,002.78x = 1,382,215.32 × 353,791.64
  4. Step 4: Simplify right side
    922,002.78x = 489,016,224,895.93
  5. Step 5: Solve for x
    x = 489,016,224,895.93/922,002.78
  6. Step 6: Final answer
    x = 530,384.76

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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.