Home / 821,359.02-1,229,041.10-484,561.02

Finding the Fourth Proportional to 821,359.02, 1,229,041.10 and 484,561.02

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Solution

The fourth proportional to 821,359.02, 1,229,041.10 and 484,561.02 is: 725,073.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,359.02 : 1,229,041.10 = 484,561.02 : x
  2. Step 2: Convert to fraction form
    821,359.02/1,229,041.10 = 484,561.02/x
  3. Step 3: Cross multiply
    821,359.02x = 1,229,041.10 × 484,561.02
  4. Step 4: Simplify right side
    821,359.02x = 595,545,409,037.92
  5. Step 5: Solve for x
    x = 595,545,409,037.92/821,359.02
  6. Step 6: Final answer
    x = 725,073.20

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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.