Home / 802,820.07-1,107,906.88-440,222.30

Finding the Fourth Proportional to 802,820.07, 1,107,906.88 and 440,222.30

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Solution

The fourth proportional to 802,820.07, 1,107,906.88 and 440,222.30 is: 607,515.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,820.07 : 1,107,906.88 = 440,222.30 : x
  2. Step 2: Convert to fraction form
    802,820.07/1,107,906.88 = 440,222.30/x
  3. Step 3: Cross multiply
    802,820.07x = 1,107,906.88 × 440,222.30
  4. Step 4: Simplify right side
    802,820.07x = 487,725,312,698.31
  5. Step 5: Solve for x
    x = 487,725,312,698.31/802,820.07
  6. Step 6: Final answer
    x = 607,515.10

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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.