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Finding the Fourth Proportional to 550,423.78, 759,262.22 and 346,150.70

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Solution

The fourth proportional to 550,423.78, 759,262.22 and 346,150.70 is: 477,485.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,423.78 : 759,262.22 = 346,150.70 : x
  2. Step 2: Convert to fraction form
    550,423.78/759,262.22 = 346,150.70/x
  3. Step 3: Cross multiply
    550,423.78x = 759,262.22 × 346,150.70
  4. Step 4: Simplify right side
    550,423.78x = 262,819,148,936.55
  5. Step 5: Solve for x
    x = 262,819,148,936.55/550,423.78
  6. Step 6: Final answer
    x = 477,485.09

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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.