Home / 817,445.41-1,226,175-284,965.45

Finding the Fourth Proportional to 817,445.41, 1,226,175 and 284,965.45

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Solution

The fourth proportional to 817,445.41, 1,226,175 and 284,965.45 is: 427,450.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,445.41 : 1,226,175 = 284,965.45 : x
  2. Step 2: Convert to fraction form
    817,445.41/1,226,175 = 284,965.45/x
  3. Step 3: Cross multiply
    817,445.41x = 1,226,175 × 284,965.45
  4. Step 4: Simplify right side
    817,445.41x = 349,417,510,653.75
  5. Step 5: Solve for x
    x = 349,417,510,653.75/817,445.41
  6. Step 6: Final answer
    x = 427,450.58

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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.