Home / 910,064.40-1,365,096.60-278,896.20

Finding the Fourth Proportional to 910,064.40, 1,365,096.60 and 278,896.20

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Solution

The fourth proportional to 910,064.40, 1,365,096.60 and 278,896.20 is: 418,344.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,064.40 : 1,365,096.60 = 278,896.20 : x
  2. Step 2: Convert to fraction form
    910,064.40/1,365,096.60 = 278,896.20/x
  3. Step 3: Cross multiply
    910,064.40x = 1,365,096.60 × 278,896.20
  4. Step 4: Simplify right side
    910,064.40x = 380,720,254,372.92
  5. Step 5: Solve for x
    x = 380,720,254,372.92/910,064.40
  6. Step 6: Final answer
    x = 418,344.30

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.