Home / 890,655.16-1,335,985.44-216,736.57

Finding the Fourth Proportional to 890,655.16, 1,335,985.44 and 216,736.57

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Solution

The fourth proportional to 890,655.16, 1,335,985.44 and 216,736.57 is: 325,105.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,655.16 : 1,335,985.44 = 216,736.57 : x
  2. Step 2: Convert to fraction form
    890,655.16/1,335,985.44 = 216,736.57/x
  3. Step 3: Cross multiply
    890,655.16x = 1,335,985.44 × 216,736.57
  4. Step 4: Simplify right side
    890,655.16x = 289,556,901,835.54
  5. Step 5: Solve for x
    x = 289,556,901,835.54/890,655.16
  6. Step 6: Final answer
    x = 325,105.51

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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.