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Finding the Fourth Proportional to 675,181.53, 931,311.48 and 433,080.63

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Solution

The fourth proportional to 675,181.53, 931,311.48 and 433,080.63 is: 597,369.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,181.53 : 931,311.48 = 433,080.63 : x
  2. Step 2: Convert to fraction form
    675,181.53/931,311.48 = 433,080.63/x
  3. Step 3: Cross multiply
    675,181.53x = 931,311.48 × 433,080.63
  4. Step 4: Simplify right side
    675,181.53x = 403,332,962,484.63
  5. Step 5: Solve for x
    x = 403,332,962,484.63/675,181.53
  6. Step 6: Final answer
    x = 597,369.66

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.