Home / 906,490.54-1,250,959.44-498,634.18

Finding the Fourth Proportional to 906,490.54, 1,250,959.44 and 498,634.18

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Solution

The fourth proportional to 906,490.54, 1,250,959.44 and 498,634.18 is: 688,116.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,490.54 : 1,250,959.44 = 498,634.18 : x
  2. Step 2: Convert to fraction form
    906,490.54/1,250,959.44 = 498,634.18/x
  3. Step 3: Cross multiply
    906,490.54x = 1,250,959.44 × 498,634.18
  4. Step 4: Simplify right side
    906,490.54x = 623,771,133,320.14
  5. Step 5: Solve for x
    x = 623,771,133,320.14/906,490.54
  6. Step 6: Final answer
    x = 688,116.54

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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.