Home / 747,676.08-1,031,776.92-408,150

Finding the Fourth Proportional to 747,676.08, 1,031,776.92 and 408,150

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Solution

The fourth proportional to 747,676.08, 1,031,776.92 and 408,150 is: 563,238.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,676.08 : 1,031,776.92 = 408,150 : x
  2. Step 2: Convert to fraction form
    747,676.08/1,031,776.92 = 408,150/x
  3. Step 3: Cross multiply
    747,676.08x = 1,031,776.92 × 408,150
  4. Step 4: Simplify right side
    747,676.08x = 421,119,749,898
  5. Step 5: Solve for x
    x = 421,119,749,898/747,676.08
  6. Step 6: Final answer
    x = 563,238.23

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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.