Home / 830,984.32-1,246,033.41-431,222.59

Finding the Fourth Proportional to 830,984.32, 1,246,033.41 and 431,222.59

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Solution

The fourth proportional to 830,984.32, 1,246,033.41 and 431,222.59 is: 646,603.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,984.32 : 1,246,033.41 = 431,222.59 : x
  2. Step 2: Convert to fraction form
    830,984.32/1,246,033.41 = 431,222.59/x
  3. Step 3: Cross multiply
    830,984.32x = 1,246,033.41 × 431,222.59
  4. Step 4: Simplify right side
    830,984.32x = 537,317,754,286.73
  5. Step 5: Solve for x
    x = 537,317,754,286.73/830,984.32
  6. Step 6: Final answer
    x = 646,603.96

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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.