Home / 672,949.02-928,636.89-401,010.86

Finding the Fourth Proportional to 672,949.02, 928,636.89 and 401,010.86

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Solution

The fourth proportional to 672,949.02, 928,636.89 and 401,010.86 is: 553,375.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,949.02 : 928,636.89 = 401,010.86 : x
  2. Step 2: Convert to fraction form
    672,949.02/928,636.89 = 401,010.86/x
  3. Step 3: Cross multiply
    672,949.02x = 928,636.89 × 401,010.86
  4. Step 4: Simplify right side
    672,949.02x = 372,393,478,704.43
  5. Step 5: Solve for x
    x = 372,393,478,704.43/672,949.02
  6. Step 6: Final answer
    x = 553,375.46

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1.5x scale

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.