Home / 739,622.15-1,108,592.33-312,891.63

Finding the Fourth Proportional to 739,622.15, 1,108,592.33 and 312,891.63

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Solution

The fourth proportional to 739,622.15, 1,108,592.33 and 312,891.63 is: 468,981.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,622.15 : 1,108,592.33 = 312,891.63 : x
  2. Step 2: Convert to fraction form
    739,622.15/1,108,592.33 = 312,891.63/x
  3. Step 3: Cross multiply
    739,622.15x = 1,108,592.33 × 312,891.63
  4. Step 4: Simplify right side
    739,622.15x = 346,869,260,748.08
  5. Step 5: Solve for x
    x = 346,869,260,748.08/739,622.15
  6. Step 6: Final answer
    x = 468,981.71

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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.