Home / 890,656.16-1,335,986.94-216,737.58

Finding the Fourth Proportional to 890,656.16, 1,335,986.94 and 216,737.58

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Solution

The fourth proportional to 890,656.16, 1,335,986.94 and 216,737.58 is: 325,107.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,656.16 : 1,335,986.94 = 216,737.58 : x
  2. Step 2: Convert to fraction form
    890,656.16/1,335,986.94 = 216,737.58/x
  3. Step 3: Cross multiply
    890,656.16x = 1,335,986.94 × 216,737.58
  4. Step 4: Simplify right side
    890,656.16x = 289,558,576,287.21
  5. Step 5: Solve for x
    x = 289,558,576,287.21/890,656.16
  6. Step 6: Final answer
    x = 325,107.03

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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.