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Finding the Fourth Proportional to 587,283.62, 810,528.46 and 332,643.38

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Solution

The fourth proportional to 587,283.62, 810,528.46 and 332,643.38 is: 459,091.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,283.62 : 810,528.46 = 332,643.38 : x
  2. Step 2: Convert to fraction form
    587,283.62/810,528.46 = 332,643.38/x
  3. Step 3: Cross multiply
    587,283.62x = 810,528.46 × 332,643.38
  4. Step 4: Simplify right side
    587,283.62x = 269,616,921,636.34
  5. Step 5: Solve for x
    x = 269,616,921,636.34/587,283.62
  6. Step 6: Final answer
    x = 459,091.51

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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.