Home / 802,820.27-1,107,907.18-440,222.51

Finding the Fourth Proportional to 802,820.27, 1,107,907.18 and 440,222.51

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Solution

The fourth proportional to 802,820.27, 1,107,907.18 and 440,222.51 is: 607,515.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,820.27 : 1,107,907.18 = 440,222.51 : x
  2. Step 2: Convert to fraction form
    802,820.27/1,107,907.18 = 440,222.51/x
  3. Step 3: Cross multiply
    802,820.27x = 1,107,907.18 × 440,222.51
  4. Step 4: Simplify right side
    802,820.27x = 487,725,672,986.53
  5. Step 5: Solve for x
    x = 487,725,672,986.53/802,820.27
  6. Step 6: Final answer
    x = 607,515.39

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1.5x scale

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.