Home / 825,889.85-1,140,216.63-520,228.24

Finding the Fourth Proportional to 825,889.85, 1,140,216.63 and 520,228.24

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Solution

The fourth proportional to 825,889.85, 1,140,216.63 and 520,228.24 is: 718,222.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,889.85 : 1,140,216.63 = 520,228.24 : x
  2. Step 2: Convert to fraction form
    825,889.85/1,140,216.63 = 520,228.24/x
  3. Step 3: Cross multiply
    825,889.85x = 1,140,216.63 × 520,228.24
  4. Step 4: Simplify right side
    825,889.85x = 593,172,888,430.27
  5. Step 5: Solve for x
    x = 593,172,888,430.27/825,889.85
  6. Step 6: Final answer
    x = 718,222.76

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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.