Home / 783,998.60-1,175,998.10-223,033.10

Finding the Fourth Proportional to 783,998.60, 1,175,998.10 and 223,033.10

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Solution

The fourth proportional to 783,998.60, 1,175,998.10 and 223,033.10 is: 334,549.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,998.60 : 1,175,998.10 = 223,033.10 : x
  2. Step 2: Convert to fraction form
    783,998.60/1,175,998.10 = 223,033.10/x
  3. Step 3: Cross multiply
    783,998.60x = 1,175,998.10 × 223,033.10
  4. Step 4: Simplify right side
    783,998.60x = 262,286,501,837.11
  5. Step 5: Solve for x
    x = 262,286,501,837.11/783,998.60
  6. Step 6: Final answer
    x = 334,549.71

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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.