Home / 1,107,741.30-1,661,587.65-309,000.30

Finding the Fourth Proportional to 1,107,741.30, 1,661,587.65 and 309,000.30

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Solution

The fourth proportional to 1,107,741.30, 1,661,587.65 and 309,000.30 is: 463,493.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,741.30 : 1,661,587.65 = 309,000.30 : x
  2. Step 2: Convert to fraction form
    1,107,741.30/1,661,587.65 = 309,000.30/x
  3. Step 3: Cross multiply
    1,107,741.30x = 1,661,587.65 × 309,000.30
  4. Step 4: Simplify right side
    1,107,741.30x = 513,431,082,326.30
  5. Step 5: Solve for x
    x = 513,431,082,326.30/1,107,741.30
  6. Step 6: Final answer
    x = 463,493.67

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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.