Home / 842,825.24-1,163,003.58-498,671.72

Finding the Fourth Proportional to 842,825.24, 1,163,003.58 and 498,671.72

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Solution

The fourth proportional to 842,825.24, 1,163,003.58 and 498,671.72 is: 688,110.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,825.24 : 1,163,003.58 = 498,671.72 : x
  2. Step 2: Convert to fraction form
    842,825.24/1,163,003.58 = 498,671.72/x
  3. Step 3: Cross multiply
    842,825.24x = 1,163,003.58 × 498,671.72
  4. Step 4: Simplify right side
    842,825.24x = 579,956,995,604.76
  5. Step 5: Solve for x
    x = 579,956,995,604.76/842,825.24
  6. Step 6: Final answer
    x = 688,110.62

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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.