Home / 691,791.45-954,631.08-401,380.52

Finding the Fourth Proportional to 691,791.45, 954,631.08 and 401,380.52

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Solution

The fourth proportional to 691,791.45, 954,631.08 and 401,380.52 is: 553,881.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,791.45 : 954,631.08 = 401,380.52 : x
  2. Step 2: Convert to fraction form
    691,791.45/954,631.08 = 401,380.52/x
  3. Step 3: Cross multiply
    691,791.45x = 954,631.08 × 401,380.52
  4. Step 4: Simplify right side
    691,791.45x = 383,170,314,525.41
  5. Step 5: Solve for x
    x = 383,170,314,525.41/691,791.45
  6. Step 6: Final answer
    x = 553,881.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.