Home / 821,206.80-1,231,810.20-483,901.20

Finding the Fourth Proportional to 821,206.80, 1,231,810.20 and 483,901.20

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Solution

The fourth proportional to 821,206.80, 1,231,810.20 and 483,901.20 is: 725,851.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,206.80 : 1,231,810.20 = 483,901.20 : x
  2. Step 2: Convert to fraction form
    821,206.80/1,231,810.20 = 483,901.20/x
  3. Step 3: Cross multiply
    821,206.80x = 1,231,810.20 × 483,901.20
  4. Step 4: Simplify right side
    821,206.80x = 596,074,433,952.24
  5. Step 5: Solve for x
    x = 596,074,433,952.24/821,206.80
  6. Step 6: Final answer
    x = 725,851.80

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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.