Home / 822,131.73-1,134,521.77-459,598.21

Finding the Fourth Proportional to 822,131.73, 1,134,521.77 and 459,598.21

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Solution

The fourth proportional to 822,131.73, 1,134,521.77 and 459,598.21 is: 634,234.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,131.73 : 1,134,521.77 = 459,598.21 : x
  2. Step 2: Convert to fraction form
    822,131.73/1,134,521.77 = 459,598.21/x
  3. Step 3: Cross multiply
    822,131.73x = 1,134,521.77 × 459,598.21
  4. Step 4: Simplify right side
    822,131.73x = 521,424,166,727.43
  5. Step 5: Solve for x
    x = 521,424,166,727.43/822,131.73
  6. Step 6: Final answer
    x = 634,234.33

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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.