Home / 747,354.98-1,031,371.81-407,845.14

Finding the Fourth Proportional to 747,354.98, 1,031,371.81 and 407,845.14

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Solution

The fourth proportional to 747,354.98, 1,031,371.81 and 407,845.14 is: 562,838.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,354.98 : 1,031,371.81 = 407,845.14 : x
  2. Step 2: Convert to fraction form
    747,354.98/1,031,371.81 = 407,845.14/x
  3. Step 3: Cross multiply
    747,354.98x = 1,031,371.81 × 407,845.14
  4. Step 4: Simplify right side
    747,354.98x = 420,639,980,241.50
  5. Step 5: Solve for x
    x = 420,639,980,241.50/747,354.98
  6. Step 6: Final answer
    x = 562,838.26

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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.