Home / 738,175.35-1,107,263.03-631,887.15

Finding the Fourth Proportional to 738,175.35, 1,107,263.03 and 631,887.15

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Solution

The fourth proportional to 738,175.35, 1,107,263.03 and 631,887.15 is: 947,830.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,175.35 : 1,107,263.03 = 631,887.15 : x
  2. Step 2: Convert to fraction form
    738,175.35/1,107,263.03 = 631,887.15/x
  3. Step 3: Cross multiply
    738,175.35x = 1,107,263.03 × 631,887.15
  4. Step 4: Simplify right side
    738,175.35x = 699,665,277,167.63
  5. Step 5: Solve for x
    x = 699,665,277,167.63/738,175.35
  6. Step 6: Final answer
    x = 947,830.73

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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.