Home / 590,639.32-885,971.54-211,584.70

Finding the Fourth Proportional to 590,639.32, 885,971.54 and 211,584.70

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Solution

The fourth proportional to 590,639.32, 885,971.54 and 211,584.70 is: 317,381.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,639.32 : 885,971.54 = 211,584.70 : x
  2. Step 2: Convert to fraction form
    590,639.32/885,971.54 = 211,584.70/x
  3. Step 3: Cross multiply
    590,639.32x = 885,971.54 × 211,584.70
  4. Step 4: Simplify right side
    590,639.32x = 187,458,019,226.59
  5. Step 5: Solve for x
    x = 187,458,019,226.59/590,639.32
  6. Step 6: Final answer
    x = 317,381.55

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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.