Home / 889,541.32-1,334,314.68-215,619.97

Finding the Fourth Proportional to 889,541.32, 1,334,314.68 and 215,619.97

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Solution

The fourth proportional to 889,541.32, 1,334,314.68 and 215,619.97 is: 323,430.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,541.32 : 1,334,314.68 = 215,619.97 : x
  2. Step 2: Convert to fraction form
    889,541.32/1,334,314.68 = 215,619.97/x
  3. Step 3: Cross multiply
    889,541.32x = 1,334,314.68 × 215,619.97
  4. Step 4: Simplify right side
    889,541.32x = 287,704,891,272.16
  5. Step 5: Solve for x
    x = 287,704,891,272.16/889,541.32
  6. Step 6: Final answer
    x = 323,430.61

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1.5x scale

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.