Home / 849,487.12-1,172,028.36-481,903.90

Finding the Fourth Proportional to 849,487.12, 1,172,028.36 and 481,903.90

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Solution

The fourth proportional to 849,487.12, 1,172,028.36 and 481,903.90 is: 664,877.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,487.12 : 1,172,028.36 = 481,903.90 : x
  2. Step 2: Convert to fraction form
    849,487.12/1,172,028.36 = 481,903.90/x
  3. Step 3: Cross multiply
    849,487.12x = 1,172,028.36 × 481,903.90
  4. Step 4: Simplify right side
    849,487.12x = 564,805,037,594.60
  5. Step 5: Solve for x
    x = 564,805,037,594.60/849,487.12
  6. Step 6: Final answer
    x = 664,877.69

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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.