Home / 728,201.61-1,092,127.32-373,032.81

Finding the Fourth Proportional to 728,201.61, 1,092,127.32 and 373,032.81

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Solution

The fourth proportional to 728,201.61, 1,092,127.32 and 373,032.81 is: 559,459.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,201.61 : 1,092,127.32 = 373,032.81 : x
  2. Step 2: Convert to fraction form
    728,201.61/1,092,127.32 = 373,032.81/x
  3. Step 3: Cross multiply
    728,201.61x = 1,092,127.32 × 373,032.81
  4. Step 4: Simplify right side
    728,201.61x = 407,399,323,057.37
  5. Step 5: Solve for x
    x = 407,399,323,057.37/728,201.61
  6. Step 6: Final answer
    x = 559,459.52

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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.