Home / 876,287.80-1,314,431.70-561,359.80

Finding the Fourth Proportional to 876,287.80, 1,314,431.70 and 561,359.80

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Solution

The fourth proportional to 876,287.80, 1,314,431.70 and 561,359.80 is: 842,039.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,287.80 : 1,314,431.70 = 561,359.80 : x
  2. Step 2: Convert to fraction form
    876,287.80/1,314,431.70 = 561,359.80/x
  3. Step 3: Cross multiply
    876,287.80x = 1,314,431.70 × 561,359.80
  4. Step 4: Simplify right side
    876,287.80x = 737,869,116,225.66
  5. Step 5: Solve for x
    x = 737,869,116,225.66/876,287.80
  6. Step 6: Final answer
    x = 842,039.70

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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.