Home / 876,617.40-1,314,969.30-456,713.40

Finding the Fourth Proportional to 876,617.40, 1,314,969.30 and 456,713.40

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Solution

The fourth proportional to 876,617.40, 1,314,969.30 and 456,713.40 is: 685,092.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,617.40 : 1,314,969.30 = 456,713.40 : x
  2. Step 2: Convert to fraction form
    876,617.40/1,314,969.30 = 456,713.40/x
  3. Step 3: Cross multiply
    876,617.40x = 1,314,969.30 × 456,713.40
  4. Step 4: Simplify right side
    876,617.40x = 600,564,099,898.62
  5. Step 5: Solve for x
    x = 600,564,099,898.62/876,617.40
  6. Step 6: Final answer
    x = 685,092.61

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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.