Home / 889,995.88-1,228,200.21-482,097.72

Finding the Fourth Proportional to 889,995.88, 1,228,200.21 and 482,097.72

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Solution

The fourth proportional to 889,995.88, 1,228,200.21 and 482,097.72 is: 665,298.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,995.88 : 1,228,200.21 = 482,097.72 : x
  2. Step 2: Convert to fraction form
    889,995.88/1,228,200.21 = 482,097.72/x
  3. Step 3: Cross multiply
    889,995.88x = 1,228,200.21 × 482,097.72
  4. Step 4: Simplify right side
    889,995.88x = 592,112,525,550.27
  5. Step 5: Solve for x
    x = 592,112,525,550.27/889,995.88
  6. Step 6: Final answer
    x = 665,298.05

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Double scale
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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.