Home / 743,706.32-1,026,321.16-404,174.64

Finding the Fourth Proportional to 743,706.32, 1,026,321.16 and 404,174.64

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Solution

The fourth proportional to 743,706.32, 1,026,321.16 and 404,174.64 is: 557,764.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,706.32 : 1,026,321.16 = 404,174.64 : x
  2. Step 2: Convert to fraction form
    743,706.32/1,026,321.16 = 404,174.64/x
  3. Step 3: Cross multiply
    743,706.32x = 1,026,321.16 × 404,174.64
  4. Step 4: Simplify right side
    743,706.32x = 414,812,985,367.38
  5. Step 5: Solve for x
    x = 414,812,985,367.38/743,706.32
  6. Step 6: Final answer
    x = 557,764.50

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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.