Home / 790,730.64-1,186,211.70-250,806.78

Finding the Fourth Proportional to 790,730.64, 1,186,211.70 and 250,806.78

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Solution

The fourth proportional to 790,730.64, 1,186,211.70 and 250,806.78 is: 376,246.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,730.64 : 1,186,211.70 = 250,806.78 : x
  2. Step 2: Convert to fraction form
    790,730.64/1,186,211.70 = 250,806.78/x
  3. Step 3: Cross multiply
    790,730.64x = 1,186,211.70 × 250,806.78
  4. Step 4: Simplify right side
    790,730.64x = 297,509,936,875.33
  5. Step 5: Solve for x
    x = 297,509,936,875.33/790,730.64
  6. Step 6: Final answer
    x = 376,246.88

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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.