Home / 906,725.12-1,251,288.79-493,270.91

Finding the Fourth Proportional to 906,725.12, 1,251,288.79 and 493,270.91

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Solution

The fourth proportional to 906,725.12, 1,251,288.79 and 493,270.91 is: 680,718.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,725.12 : 1,251,288.79 = 493,270.91 : x
  2. Step 2: Convert to fraction form
    906,725.12/1,251,288.79 = 493,270.91/x
  3. Step 3: Cross multiply
    906,725.12x = 1,251,288.79 × 493,270.91
  4. Step 4: Simplify right side
    906,725.12x = 617,224,352,626.48
  5. Step 5: Solve for x
    x = 617,224,352,626.48/906,725.12
  6. Step 6: Final answer
    x = 680,718.27

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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.