Home / 892,473.03-1,231,612.02-490,065.03

Finding the Fourth Proportional to 892,473.03, 1,231,612.02 and 490,065.03

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Solution

The fourth proportional to 892,473.03, 1,231,612.02 and 490,065.03 is: 676,289.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,473.03 : 1,231,612.02 = 490,065.03 : x
  2. Step 2: Convert to fraction form
    892,473.03/1,231,612.02 = 490,065.03/x
  3. Step 3: Cross multiply
    892,473.03x = 1,231,612.02 × 490,065.03
  4. Step 4: Simplify right side
    892,473.03x = 603,569,981,529.66
  5. Step 5: Solve for x
    x = 603,569,981,529.66/892,473.03
  6. Step 6: Final answer
    x = 676,289.32

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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.