Home / 674,389.08-930,645.92-368,458.86

Finding the Fourth Proportional to 674,389.08, 930,645.92 and 368,458.86

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Solution

The fourth proportional to 674,389.08, 930,645.92 and 368,458.86 is: 508,467.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,389.08 : 930,645.92 = 368,458.86 : x
  2. Step 2: Convert to fraction form
    674,389.08/930,645.92 = 368,458.86/x
  3. Step 3: Cross multiply
    674,389.08x = 930,645.92 × 368,458.86
  4. Step 4: Simplify right side
    674,389.08x = 342,904,734,746.85
  5. Step 5: Solve for x
    x = 342,904,734,746.85/674,389.08
  6. Step 6: Final answer
    x = 508,467.21

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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.