Home / 892,484.32-1,231,612.96-490,073.44

Finding the Fourth Proportional to 892,484.32, 1,231,612.96 and 490,073.44

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Solution

The fourth proportional to 892,484.32, 1,231,612.96 and 490,073.44 is: 676,292.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,484.32 : 1,231,612.96 = 490,073.44 : x
  2. Step 2: Convert to fraction form
    892,484.32/1,231,612.96 = 490,073.44/x
  3. Step 3: Cross multiply
    892,484.32x = 1,231,612.96 × 490,073.44
  4. Step 4: Simplify right side
    892,484.32x = 603,580,800,055.78
  5. Step 5: Solve for x
    x = 603,580,800,055.78/892,484.32
  6. Step 6: Final answer
    x = 676,292.89

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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.