Home / 977,433.30-1,465,712.55-378,195.30

Finding the Fourth Proportional to 977,433.30, 1,465,712.55 and 378,195.30

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Solution

The fourth proportional to 977,433.30, 1,465,712.55 and 378,195.30 is: 567,123.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,433.30 : 1,465,712.55 = 378,195.30 : x
  2. Step 2: Convert to fraction form
    977,433.30/1,465,712.55 = 378,195.30/x
  3. Step 3: Cross multiply
    977,433.30x = 1,465,712.55 × 378,195.30
  4. Step 4: Simplify right side
    977,433.30x = 554,325,597,561.02
  5. Step 5: Solve for x
    x = 554,325,597,561.02/977,433.30
  6. Step 6: Final answer
    x = 567,123.71

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Double scale
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Similar ratio
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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.