Home / 876,299.80-1,314,639.84-269,090.18

Finding the Fourth Proportional to 876,299.80, 1,314,639.84 and 269,090.18

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Solution

The fourth proportional to 876,299.80, 1,314,639.84 and 269,090.18 is: 403,693.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,299.80 : 1,314,639.84 = 269,090.18 : x
  2. Step 2: Convert to fraction form
    876,299.80/1,314,639.84 = 269,090.18/x
  3. Step 3: Cross multiply
    876,299.80x = 1,314,639.84 × 269,090.18
  4. Step 4: Simplify right side
    876,299.80x = 353,756,671,180.77
  5. Step 5: Solve for x
    x = 353,756,671,180.77/876,299.80
  6. Step 6: Final answer
    x = 403,693.66

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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.