Home / 961,718.22-1,442,708.57-400,621.50

Finding the Fourth Proportional to 961,718.22, 1,442,708.57 and 400,621.50

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Solution

The fourth proportional to 961,718.22, 1,442,708.57 and 400,621.50 is: 600,986.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,718.22 : 1,442,708.57 = 400,621.50 : x
  2. Step 2: Convert to fraction form
    961,718.22/1,442,708.57 = 400,621.50/x
  3. Step 3: Cross multiply
    961,718.22x = 1,442,708.57 × 400,621.50
  4. Step 4: Simplify right side
    961,718.22x = 577,980,071,376.26
  5. Step 5: Solve for x
    x = 577,980,071,376.26/961,718.22
  6. Step 6: Final answer
    x = 600,986.92

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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.