Home / 443,335.05-611,318.52-299,845.98

Finding the Fourth Proportional to 443,335.05, 611,318.52 and 299,845.98

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Solution

The fourth proportional to 443,335.05, 611,318.52 and 299,845.98 is: 413,460.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,335.05 : 611,318.52 = 299,845.98 : x
  2. Step 2: Convert to fraction form
    443,335.05/611,318.52 = 299,845.98/x
  3. Step 3: Cross multiply
    443,335.05x = 611,318.52 × 299,845.98
  4. Step 4: Simplify right side
    443,335.05x = 183,301,400,721.55
  5. Step 5: Solve for x
    x = 183,301,400,721.55/443,335.05
  6. Step 6: Final answer
    x = 413,460.21

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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.