Home / 690,162.75-952,399.71-384,231.29

Finding the Fourth Proportional to 690,162.75, 952,399.71 and 384,231.29

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Solution

The fourth proportional to 690,162.75, 952,399.71 and 384,231.29 is: 530,225.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,162.75 : 952,399.71 = 384,231.29 : x
  2. Step 2: Convert to fraction form
    690,162.75/952,399.71 = 384,231.29/x
  3. Step 3: Cross multiply
    690,162.75x = 952,399.71 × 384,231.29
  4. Step 4: Simplify right side
    690,162.75x = 365,941,764,406.93
  5. Step 5: Solve for x
    x = 365,941,764,406.93/690,162.75
  6. Step 6: Final answer
    x = 530,225.32

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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.