Home / 521,343.26-719,464.64-294,988.76

Finding the Fourth Proportional to 521,343.26, 719,464.64 and 294,988.76

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Solution

The fourth proportional to 521,343.26, 719,464.64 and 294,988.76 is: 407,090.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,343.26 : 719,464.64 = 294,988.76 : x
  2. Step 2: Convert to fraction form
    521,343.26/719,464.64 = 294,988.76/x
  3. Step 3: Cross multiply
    521,343.26x = 719,464.64 × 294,988.76
  4. Step 4: Simplify right side
    521,343.26x = 212,233,982,017.45
  5. Step 5: Solve for x
    x = 212,233,982,017.45/521,343.26
  6. Step 6: Final answer
    x = 407,090.68

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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.