Home / 890,657.16-1,335,988.44-216,738.58

Finding the Fourth Proportional to 890,657.16, 1,335,988.44 and 216,738.58

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Solution

The fourth proportional to 890,657.16, 1,335,988.44 and 216,738.58 is: 325,108.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,657.16 : 1,335,988.44 = 216,738.58 : x
  2. Step 2: Convert to fraction form
    890,657.16/1,335,988.44 = 216,738.58/x
  3. Step 3: Cross multiply
    890,657.16x = 1,335,988.44 × 216,738.58
  4. Step 4: Simplify right side
    890,657.16x = 289,560,237,382.02
  5. Step 5: Solve for x
    x = 289,560,237,382.02/890,657.16
  6. Step 6: Final answer
    x = 325,108.53

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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.