Home / 802,821.07-1,107,908.26-440,223.30

Finding the Fourth Proportional to 802,821.07, 1,107,908.26 and 440,223.30

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Solution

The fourth proportional to 802,821.07, 1,107,908.26 and 440,223.30 is: 607,516.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,821.07 : 1,107,908.26 = 440,223.30 : x
  2. Step 2: Convert to fraction form
    802,821.07/1,107,908.26 = 440,223.30/x
  3. Step 3: Cross multiply
    802,821.07x = 1,107,908.26 × 440,223.30
  4. Step 4: Simplify right side
    802,821.07x = 487,727,030,314.46
  5. Step 5: Solve for x
    x = 487,727,030,314.46/802,821.07
  6. Step 6: Final answer
    x = 607,516.48

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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.