Home / 802,576.47-1,107,531.54-439,987.89

Finding the Fourth Proportional to 802,576.47, 1,107,531.54 and 439,987.89

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Solution

The fourth proportional to 802,576.47, 1,107,531.54 and 439,987.89 is: 607,170.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,576.47 : 1,107,531.54 = 439,987.89 : x
  2. Step 2: Convert to fraction form
    802,576.47/1,107,531.54 = 439,987.89/x
  3. Step 3: Cross multiply
    802,576.47x = 1,107,531.54 × 439,987.89
  4. Step 4: Simplify right side
    802,576.47x = 487,300,465,393.05
  5. Step 5: Solve for x
    x = 487,300,465,393.05/802,576.47
  6. Step 6: Final answer
    x = 607,170.14

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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.