Home / 828,510.24-1,143,649.20-727,610.40

Finding the Fourth Proportional to 828,510.24, 1,143,649.20 and 727,610.40

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Solution

The fourth proportional to 828,510.24, 1,143,649.20 and 727,610.40 is: 1,004,370.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,510.24 : 1,143,649.20 = 727,610.40 : x
  2. Step 2: Convert to fraction form
    828,510.24/1,143,649.20 = 727,610.40/x
  3. Step 3: Cross multiply
    828,510.24x = 1,143,649.20 × 727,610.40
  4. Step 4: Simplify right side
    828,510.24x = 832,131,051,871.68
  5. Step 5: Solve for x
    x = 832,131,051,871.68/828,510.24
  6. Step 6: Final answer
    x = 1,004,370.27

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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.