Home / 910,266.70-1,365,728.10-378,169.60

Finding the Fourth Proportional to 910,266.70, 1,365,728.10 and 378,169.60

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Solution

The fourth proportional to 910,266.70, 1,365,728.10 and 378,169.60 is: 567,390.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,266.70 : 1,365,728.10 = 378,169.60 : x
  2. Step 2: Convert to fraction form
    910,266.70/1,365,728.10 = 378,169.60/x
  3. Step 3: Cross multiply
    910,266.70x = 1,365,728.10 × 378,169.60
  4. Step 4: Simplify right side
    910,266.70x = 516,476,849,285.76
  5. Step 5: Solve for x
    x = 516,476,849,285.76/910,266.70
  6. Step 6: Final answer
    x = 567,390.69

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Double scale
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1.5x scale

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.