Home / 728,664.40-1,092,607.80-307,464.40

Finding the Fourth Proportional to 728,664.40, 1,092,607.80 and 307,464.40

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Solution

The fourth proportional to 728,664.40, 1,092,607.80 and 307,464.40 is: 461,032.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,664.40 : 1,092,607.80 = 307,464.40 : x
  2. Step 2: Convert to fraction form
    728,664.40/1,092,607.80 = 307,464.40/x
  3. Step 3: Cross multiply
    728,664.40x = 1,092,607.80 × 307,464.40
  4. Step 4: Simplify right side
    728,664.40x = 335,938,001,662.32
  5. Step 5: Solve for x
    x = 335,938,001,662.32/728,664.40
  6. Step 6: Final answer
    x = 461,032.54

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1.5x scale

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.