Home / 751,190.43-1,037,001.78-428,838.15

Finding the Fourth Proportional to 751,190.43, 1,037,001.78 and 428,838.15

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Solution

The fourth proportional to 751,190.43, 1,037,001.78 and 428,838.15 is: 592,001.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,190.43 : 1,037,001.78 = 428,838.15 : x
  2. Step 2: Convert to fraction form
    751,190.43/1,037,001.78 = 428,838.15/x
  3. Step 3: Cross multiply
    751,190.43x = 1,037,001.78 × 428,838.15
  4. Step 4: Simplify right side
    751,190.43x = 444,705,924,881.91
  5. Step 5: Solve for x
    x = 444,705,924,881.91/751,190.43
  6. Step 6: Final answer
    x = 592,001.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.