Home / 950,689.28-1,311,460.44-644,662.16

Finding the Fourth Proportional to 950,689.28, 1,311,460.44 and 644,662.16

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Solution

The fourth proportional to 950,689.28, 1,311,460.44 and 644,662.16 is: 889,300.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,689.28 : 1,311,460.44 = 644,662.16 : x
  2. Step 2: Convert to fraction form
    950,689.28/1,311,460.44 = 644,662.16/x
  3. Step 3: Cross multiply
    950,689.28x = 1,311,460.44 × 644,662.16
  4. Step 4: Simplify right side
    950,689.28x = 845,448,920,004.95
  5. Step 5: Solve for x
    x = 845,448,920,004.95/950,689.28
  6. Step 6: Final answer
    x = 889,300.99

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1.5x scale

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.