Home / 906,026.79-1,250,319.47-498,170.33

Finding the Fourth Proportional to 906,026.79, 1,250,319.47 and 498,170.33

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Solution

The fourth proportional to 906,026.79, 1,250,319.47 and 498,170.33 is: 687,476.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,026.79 : 1,250,319.47 = 498,170.33 : x
  2. Step 2: Convert to fraction form
    906,026.79/1,250,319.47 = 498,170.33/x
  3. Step 3: Cross multiply
    906,026.79x = 1,250,319.47 × 498,170.33
  4. Step 4: Simplify right side
    906,026.79x = 622,872,054,232.88
  5. Step 5: Solve for x
    x = 622,872,054,232.88/906,026.79
  6. Step 6: Final answer
    x = 687,476.42

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Double scale
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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.