Home / 824,695.28-1,237,282.68-345,149.36

Finding the Fourth Proportional to 824,695.28, 1,237,282.68 and 345,149.36

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Solution

The fourth proportional to 824,695.28, 1,237,282.68 and 345,149.36 is: 517,824.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,695.28 : 1,237,282.68 = 345,149.36 : x
  2. Step 2: Convert to fraction form
    824,695.28/1,237,282.68 = 345,149.36/x
  3. Step 3: Cross multiply
    824,695.28x = 1,237,282.68 × 345,149.36
  4. Step 4: Simplify right side
    824,695.28x = 427,047,325,141.09
  5. Step 5: Solve for x
    x = 427,047,325,141.09/824,695.28
  6. Step 6: Final answer
    x = 517,824.38

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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.