Home / 825,997.80-1,140,277.53-553,966.20

Finding the Fourth Proportional to 825,997.80, 1,140,277.53 and 553,966.20

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Solution

The fourth proportional to 825,997.80, 1,140,277.53 and 553,966.20 is: 764,742.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,997.80 : 1,140,277.53 = 553,966.20 : x
  2. Step 2: Convert to fraction form
    825,997.80/1,140,277.53 = 553,966.20/x
  3. Step 3: Cross multiply
    825,997.80x = 1,140,277.53 × 553,966.20
  4. Step 4: Simplify right side
    825,997.80x = 631,675,210,239.49
  5. Step 5: Solve for x
    x = 631,675,210,239.49/825,997.80
  6. Step 6: Final answer
    x = 764,742.00

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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.