Home / 831,999.54-1,148,060.64-469,402.26

Finding the Fourth Proportional to 831,999.54, 1,148,060.64 and 469,402.26

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Solution

The fourth proportional to 831,999.54, 1,148,060.64 and 469,402.26 is: 647,719.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,999.54 : 1,148,060.64 = 469,402.26 : x
  2. Step 2: Convert to fraction form
    831,999.54/1,148,060.64 = 469,402.26/x
  3. Step 3: Cross multiply
    831,999.54x = 1,148,060.64 × 469,402.26
  4. Step 4: Simplify right side
    831,999.54x = 538,902,259,033.05
  5. Step 5: Solve for x
    x = 538,902,259,033.05/831,999.54
  6. Step 6: Final answer
    x = 647,719.42

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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.