Home / 867,972.30-1,301,958.45-728,004.30

Finding the Fourth Proportional to 867,972.30, 1,301,958.45 and 728,004.30

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Solution

The fourth proportional to 867,972.30, 1,301,958.45 and 728,004.30 is: 1,092,006.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,972.30 : 1,301,958.45 = 728,004.30 : x
  2. Step 2: Convert to fraction form
    867,972.30/1,301,958.45 = 728,004.30/x
  3. Step 3: Cross multiply
    867,972.30x = 1,301,958.45 × 728,004.30
  4. Step 4: Simplify right side
    867,972.30x = 947,831,350,021.34
  5. Step 5: Solve for x
    x = 947,831,350,021.34/867,972.30
  6. Step 6: Final answer
    x = 1,092,006.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.