Home / 767,703.27-1,151,702.51-294,351.72

Finding the Fourth Proportional to 767,703.27, 1,151,702.51 and 294,351.72

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Solution

The fourth proportional to 767,703.27, 1,151,702.51 and 294,351.72 is: 441,584.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,703.27 : 1,151,702.51 = 294,351.72 : x
  2. Step 2: Convert to fraction form
    767,703.27/1,151,702.51 = 294,351.72/x
  3. Step 3: Cross multiply
    767,703.27x = 1,151,702.51 × 294,351.72
  4. Step 4: Simplify right side
    767,703.27x = 339,005,607,516.55
  5. Step 5: Solve for x
    x = 339,005,607,516.55/767,703.27
  6. Step 6: Final answer
    x = 441,584.17

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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.