Home / 802,427.76-1,107,343.44-439,871.76

Finding the Fourth Proportional to 802,427.76, 1,107,343.44 and 439,871.76

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Solution

The fourth proportional to 802,427.76, 1,107,343.44 and 439,871.76 is: 607,019.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,427.76 : 1,107,343.44 = 439,871.76 : x
  2. Step 2: Convert to fraction form
    802,427.76/1,107,343.44 = 439,871.76/x
  3. Step 3: Cross multiply
    802,427.76x = 1,107,343.44 × 439,871.76
  4. Step 4: Simplify right side
    802,427.76x = 487,089,107,877.25
  5. Step 5: Solve for x
    x = 487,089,107,877.25/802,427.76
  6. Step 6: Final answer
    x = 607,019.26

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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.