Home / 906,166.92-1,250,546.38-498,302.20

Finding the Fourth Proportional to 906,166.92, 1,250,546.38 and 498,302.20

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Solution

The fourth proportional to 906,166.92, 1,250,546.38 and 498,302.20 is: 687,676.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,166.92 : 1,250,546.38 = 498,302.20 : x
  2. Step 2: Convert to fraction form
    906,166.92/1,250,546.38 = 498,302.20/x
  3. Step 3: Cross multiply
    906,166.92x = 1,250,546.38 × 498,302.20
  4. Step 4: Simplify right side
    906,166.92x = 623,150,012,356.04
  5. Step 5: Solve for x
    x = 623,150,012,356.04/906,166.92
  6. Step 6: Final answer
    x = 687,676.85

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Double scale
Find fourth proportional to 906,167.92, 1,250,547.76 and 498,303.20
Similar ratio
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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.