Home / 906,042.93-1,250,312.81-498,144.35

Finding the Fourth Proportional to 906,042.93, 1,250,312.81 and 498,144.35

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Solution

The fourth proportional to 906,042.93, 1,250,312.81 and 498,144.35 is: 687,424.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,042.93 : 1,250,312.81 = 498,144.35 : x
  2. Step 2: Convert to fraction form
    906,042.93/1,250,312.81 = 498,144.35/x
  3. Step 3: Cross multiply
    906,042.93x = 1,250,312.81 × 498,144.35
  4. Step 4: Simplify right side
    906,042.93x = 622,836,253,291.84
  5. Step 5: Solve for x
    x = 622,836,253,291.84/906,042.93
  6. Step 6: Final answer
    x = 687,424.66

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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.