Home / 747,354.52-1,031,371.08-407,844.64

Finding the Fourth Proportional to 747,354.52, 1,031,371.08 and 407,844.64

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Solution

The fourth proportional to 747,354.52, 1,031,371.08 and 407,844.64 is: 562,837.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,354.52 : 1,031,371.08 = 407,844.64 : x
  2. Step 2: Convert to fraction form
    747,354.52/1,031,371.08 = 407,844.64/x
  3. Step 3: Cross multiply
    747,354.52x = 1,031,371.08 × 407,844.64
  4. Step 4: Simplify right side
    747,354.52x = 420,639,166,829.01
  5. Step 5: Solve for x
    x = 420,639,166,829.01/747,354.52
  6. Step 6: Final answer
    x = 562,837.52

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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.