Home / 751,829.31-1,128,304.35-302,553.90

Finding the Fourth Proportional to 751,829.31, 1,128,304.35 and 302,553.90

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Solution

The fourth proportional to 751,829.31, 1,128,304.35 and 302,553.90 is: 454,056.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,829.31 : 1,128,304.35 = 302,553.90 : x
  2. Step 2: Convert to fraction form
    751,829.31/1,128,304.35 = 302,553.90/x
  3. Step 3: Cross multiply
    751,829.31x = 1,128,304.35 × 302,553.90
  4. Step 4: Simplify right side
    751,829.31x = 341,372,881,479.47
  5. Step 5: Solve for x
    x = 341,372,881,479.47/751,829.31
  6. Step 6: Final answer
    x = 454,056.36

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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.