Home / 751,275.39-1,125,043.65-525,579.33

Finding the Fourth Proportional to 751,275.39, 1,125,043.65 and 525,579.33

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Solution

The fourth proportional to 751,275.39, 1,125,043.65 and 525,579.33 is: 787,061.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,275.39 : 1,125,043.65 = 525,579.33 : x
  2. Step 2: Convert to fraction form
    751,275.39/1,125,043.65 = 525,579.33/x
  3. Step 3: Cross multiply
    751,275.39x = 1,125,043.65 × 525,579.33
  4. Step 4: Simplify right side
    751,275.39x = 591,299,687,787.75
  5. Step 5: Solve for x
    x = 591,299,687,787.75/751,275.39
  6. Step 6: Final answer
    x = 787,061.17

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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.