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Finding the Fourth Proportional to 547,292.80, 819,556.80 and 359,286.40

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Solution

The fourth proportional to 547,292.80, 819,556.80 and 359,286.40 is: 538,022.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,292.80 : 819,556.80 = 359,286.40 : x
  2. Step 2: Convert to fraction form
    547,292.80/819,556.80 = 359,286.40/x
  3. Step 3: Cross multiply
    547,292.80x = 819,556.80 × 359,286.40
  4. Step 4: Simplify right side
    547,292.80x = 294,455,612,267.52
  5. Step 5: Solve for x
    x = 294,455,612,267.52/547,292.80
  6. Step 6: Final answer
    x = 538,022.08

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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.