Home / 931,108.39-1,395,908.86-291,082.62

Finding the Fourth Proportional to 931,108.39, 1,395,908.86 and 291,082.62

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Solution

The fourth proportional to 931,108.39, 1,395,908.86 and 291,082.62 is: 436,388.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,108.39 : 1,395,908.86 = 291,082.62 : x
  2. Step 2: Convert to fraction form
    931,108.39/1,395,908.86 = 291,082.62/x
  3. Step 3: Cross multiply
    931,108.39x = 1,395,908.86 × 291,082.62
  4. Step 4: Simplify right side
    931,108.39x = 406,324,808,250.01
  5. Step 5: Solve for x
    x = 406,324,808,250.01/931,108.39
  6. Step 6: Final answer
    x = 436,388.30

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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.