Home / 690,565.56-952,919.82-384,618.84

Finding the Fourth Proportional to 690,565.56, 952,919.82 and 384,618.84

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Solution

The fourth proportional to 690,565.56, 952,919.82 and 384,618.84 is: 530,740.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,565.56 : 952,919.82 = 384,618.84 : x
  2. Step 2: Convert to fraction form
    690,565.56/952,919.82 = 384,618.84/x
  3. Step 3: Cross multiply
    690,565.56x = 952,919.82 × 384,618.84
  4. Step 4: Simplify right side
    690,565.56x = 366,510,915,781.41
  5. Step 5: Solve for x
    x = 366,510,915,781.41/690,565.56
  6. Step 6: Final answer
    x = 530,740.22

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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.