Home / 741,084.90-1,111,918.95-291,729.30

Finding the Fourth Proportional to 741,084.90, 1,111,918.95 and 291,729.30

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Solution

The fourth proportional to 741,084.90, 1,111,918.95 and 291,729.30 is: 437,708.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,084.90 : 1,111,918.95 = 291,729.30 : x
  2. Step 2: Convert to fraction form
    741,084.90/1,111,918.95 = 291,729.30/x
  3. Step 3: Cross multiply
    741,084.90x = 1,111,918.95 × 291,729.30
  4. Step 4: Simplify right side
    741,084.90x = 324,379,336,940.24
  5. Step 5: Solve for x
    x = 324,379,336,940.24/741,084.90
  6. Step 6: Final answer
    x = 437,708.74

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Double scale
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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.