Home / 641,950.30-962,488.05-305,152.30

Finding the Fourth Proportional to 641,950.30, 962,488.05 and 305,152.30

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Solution

The fourth proportional to 641,950.30, 962,488.05 and 305,152.30 is: 457,520.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,950.30 : 962,488.05 = 305,152.30 : x
  2. Step 2: Convert to fraction form
    641,950.30/962,488.05 = 305,152.30/x
  3. Step 3: Cross multiply
    641,950.30x = 962,488.05 × 305,152.30
  4. Step 4: Simplify right side
    641,950.30x = 293,705,442,180.02
  5. Step 5: Solve for x
    x = 293,705,442,180.02/641,950.30
  6. Step 6: Final answer
    x = 457,520.53

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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.