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Finding the Fourth Proportional to 647,904.03, 971,856.15 and 332,159.55

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Solution

The fourth proportional to 647,904.03, 971,856.15 and 332,159.55 is: 498,239.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,904.03 : 971,856.15 = 332,159.55 : x
  2. Step 2: Convert to fraction form
    647,904.03/971,856.15 = 332,159.55/x
  3. Step 3: Cross multiply
    647,904.03x = 971,856.15 × 332,159.55
  4. Step 4: Simplify right side
    647,904.03x = 322,811,301,448.73
  5. Step 5: Solve for x
    x = 322,811,301,448.73/647,904.03
  6. Step 6: Final answer
    x = 498,239.38

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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.