Home / 873,957.03-1,311,131.13-266,799.32

Finding the Fourth Proportional to 873,957.03, 1,311,131.13 and 266,799.32

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Solution

The fourth proportional to 873,957.03, 1,311,131.13 and 266,799.32 is: 400,258.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,957.03 : 1,311,131.13 = 266,799.32 : x
  2. Step 2: Convert to fraction form
    873,957.03/1,311,131.13 = 266,799.32/x
  3. Step 3: Cross multiply
    873,957.03x = 1,311,131.13 × 266,799.32
  4. Step 4: Simplify right side
    873,957.03x = 349,808,887,359.18
  5. Step 5: Solve for x
    x = 349,808,887,359.18/873,957.03
  6. Step 6: Final answer
    x = 400,258.68

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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.