Home / 822,090.96-1,230,035.70-485,314.80

Finding the Fourth Proportional to 822,090.96, 1,230,035.70 and 485,314.80

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Solution

The fourth proportional to 822,090.96, 1,230,035.70 and 485,314.80 is: 726,141.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,090.96 : 1,230,035.70 = 485,314.80 : x
  2. Step 2: Convert to fraction form
    822,090.96/1,230,035.70 = 485,314.80/x
  3. Step 3: Cross multiply
    822,090.96x = 1,230,035.70 × 485,314.80
  4. Step 4: Simplify right side
    822,090.96x = 596,954,529,738.36
  5. Step 5: Solve for x
    x = 596,954,529,738.36/822,090.96
  6. Step 6: Final answer
    x = 726,141.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.