Home / 767,554.40-1,151,331.60-206,588.90

Finding the Fourth Proportional to 767,554.40, 1,151,331.60 and 206,588.90

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Solution

The fourth proportional to 767,554.40, 1,151,331.60 and 206,588.90 is: 309,883.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,554.40 : 1,151,331.60 = 206,588.90 : x
  2. Step 2: Convert to fraction form
    767,554.40/1,151,331.60 = 206,588.90/x
  3. Step 3: Cross multiply
    767,554.40x = 1,151,331.60 × 206,588.90
  4. Step 4: Simplify right side
    767,554.40x = 237,852,328,779.24
  5. Step 5: Solve for x
    x = 237,852,328,779.24/767,554.40
  6. Step 6: Final answer
    x = 309,883.35

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Double scale
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Similar ratio
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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.