Home / 906,479.26-1,250,949.63-493,019.62

Finding the Fourth Proportional to 906,479.26, 1,250,949.63 and 493,019.62

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Solution

The fourth proportional to 906,479.26, 1,250,949.63 and 493,019.62 is: 680,371.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,479.26 : 1,250,949.63 = 493,019.62 : x
  2. Step 2: Convert to fraction form
    906,479.26/1,250,949.63 = 493,019.62/x
  3. Step 3: Cross multiply
    906,479.26x = 1,250,949.63 × 493,019.62
  4. Step 4: Simplify right side
    906,479.26x = 616,742,711,221.74
  5. Step 5: Solve for x
    x = 616,742,711,221.74/906,479.26
  6. Step 6: Final answer
    x = 680,371.56

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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.