Home / 961,257.81-1,442,202.38-393,116.73

Finding the Fourth Proportional to 961,257.81, 1,442,202.38 and 393,116.73

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Solution

The fourth proportional to 961,257.81, 1,442,202.38 and 393,116.73 is: 589,804.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,257.81 : 1,442,202.38 = 393,116.73 : x
  2. Step 2: Convert to fraction form
    961,257.81/1,442,202.38 = 393,116.73/x
  3. Step 3: Cross multiply
    961,257.81x = 1,442,202.38 × 393,116.73
  4. Step 4: Simplify right side
    961,257.81x = 566,953,878,276.96
  5. Step 5: Solve for x
    x = 566,953,878,276.96/961,257.81
  6. Step 6: Final answer
    x = 589,804.18

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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.