Home / 802,739.54-1,107,793.05-440,196.50

Finding the Fourth Proportional to 802,739.54, 1,107,793.05 and 440,196.50

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Solution

The fourth proportional to 802,739.54, 1,107,793.05 and 440,196.50 is: 607,478.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,739.54 : 1,107,793.05 = 440,196.50 : x
  2. Step 2: Convert to fraction form
    802,739.54/1,107,793.05 = 440,196.50/x
  3. Step 3: Cross multiply
    802,739.54x = 1,107,793.05 × 440,196.50
  4. Step 4: Simplify right side
    802,739.54x = 487,646,623,334.33
  5. Step 5: Solve for x
    x = 487,646,623,334.33/802,739.54
  6. Step 6: Final answer
    x = 607,478.02

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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.