Home / 906,390.16-1,250,838.42-498,512.65

Finding the Fourth Proportional to 906,390.16, 1,250,838.42 and 498,512.65

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Solution

The fourth proportional to 906,390.16, 1,250,838.42 and 498,512.65 is: 687,958.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,390.16 : 1,250,838.42 = 498,512.65 : x
  2. Step 2: Convert to fraction form
    906,390.16/1,250,838.42 = 498,512.65/x
  3. Step 3: Cross multiply
    906,390.16x = 1,250,838.42 × 498,512.65
  4. Step 4: Simplify right side
    906,390.16x = 623,558,775,476.01
  5. Step 5: Solve for x
    x = 623,558,775,476.01/906,390.16
  6. Step 6: Final answer
    x = 687,958.46

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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.