Home / 751,612.77-1,125,917.01-451,929.24

Finding the Fourth Proportional to 751,612.77, 1,125,917.01 and 451,929.24

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Solution

The fourth proportional to 751,612.77, 1,125,917.01 and 451,929.24 is: 676,990.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,612.77 : 1,125,917.01 = 451,929.24 : x
  2. Step 2: Convert to fraction form
    751,612.77/1,125,917.01 = 451,929.24/x
  3. Step 3: Cross multiply
    751,612.77x = 1,125,917.01 × 451,929.24
  4. Step 4: Simplify right side
    751,612.77x = 508,834,818,632.37
  5. Step 5: Solve for x
    x = 508,834,818,632.37/751,612.77
  6. Step 6: Final answer
    x = 676,990.65

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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.