Home / 910,265.70-1,365,726.60-378,168.60

Finding the Fourth Proportional to 910,265.70, 1,365,726.60 and 378,168.60

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Solution

The fourth proportional to 910,265.70, 1,365,726.60 and 378,168.60 is: 567,389.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,265.70 : 1,365,726.60 = 378,168.60 : x
  2. Step 2: Convert to fraction form
    910,265.70/1,365,726.60 = 378,168.60/x
  3. Step 3: Cross multiply
    910,265.70x = 1,365,726.60 × 378,168.60
  4. Step 4: Simplify right side
    910,265.70x = 516,474,916,304.76
  5. Step 5: Solve for x
    x = 516,474,916,304.76/910,265.70
  6. Step 6: Final answer
    x = 567,389.19

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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.