Home / 890,607.36-1,335,912.02-216,688.66

Finding the Fourth Proportional to 890,607.36, 1,335,912.02 and 216,688.66

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Solution

The fourth proportional to 890,607.36, 1,335,912.02 and 216,688.66 is: 325,033.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,607.36 : 1,335,912.02 = 216,688.66 : x
  2. Step 2: Convert to fraction form
    890,607.36/1,335,912.02 = 216,688.66/x
  3. Step 3: Cross multiply
    890,607.36x = 1,335,912.02 × 216,688.66
  4. Step 4: Simplify right side
    890,607.36x = 289,476,985,491.69
  5. Step 5: Solve for x
    x = 289,476,985,491.69/890,607.36
  6. Step 6: Final answer
    x = 325,033.23

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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.