Home / 816,090.30-1,224,135.45-808,217.10

Finding the Fourth Proportional to 816,090.30, 1,224,135.45 and 808,217.10

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Solution

The fourth proportional to 816,090.30, 1,224,135.45 and 808,217.10 is: 1,212,325.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,090.30 : 1,224,135.45 = 808,217.10 : x
  2. Step 2: Convert to fraction form
    816,090.30/1,224,135.45 = 808,217.10/x
  3. Step 3: Cross multiply
    816,090.30x = 1,224,135.45 × 808,217.10
  4. Step 4: Simplify right side
    816,090.30x = 989,367,203,406.20
  5. Step 5: Solve for x
    x = 989,367,203,406.20/816,090.30
  6. Step 6: Final answer
    x = 1,212,325.65

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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.