Home / 1,107,165.40-1,660,748.10-308,570.20

Finding the Fourth Proportional to 1,107,165.40, 1,660,748.10 and 308,570.20

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Solution

The fourth proportional to 1,107,165.40, 1,660,748.10 and 308,570.20 is: 462,855.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,165.40 : 1,660,748.10 = 308,570.20 : x
  2. Step 2: Convert to fraction form
    1,107,165.40/1,660,748.10 = 308,570.20/x
  3. Step 3: Cross multiply
    1,107,165.40x = 1,660,748.10 × 308,570.20
  4. Step 4: Simplify right side
    1,107,165.40x = 512,457,373,366.62
  5. Step 5: Solve for x
    x = 512,457,373,366.62/1,107,165.40
  6. Step 6: Final answer
    x = 462,855.30

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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.