Home / 816,049.80-1,126,126.10-453,464.20

Finding the Fourth Proportional to 816,049.80, 1,126,126.10 and 453,464.20

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Solution

The fourth proportional to 816,049.80, 1,126,126.10 and 453,464.20 is: 625,768.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,049.80 : 1,126,126.10 = 453,464.20 : x
  2. Step 2: Convert to fraction form
    816,049.80/1,126,126.10 = 453,464.20/x
  3. Step 3: Cross multiply
    816,049.80x = 1,126,126.10 × 453,464.20
  4. Step 4: Simplify right side
    816,049.80x = 510,657,871,035.62
  5. Step 5: Solve for x
    x = 510,657,871,035.62/816,049.80
  6. Step 6: Final answer
    x = 625,768.02

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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.