Home / 767,640.36-1,059,533.64-523,029.72

Finding the Fourth Proportional to 767,640.36, 1,059,533.64 and 523,029.72

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Solution

The fourth proportional to 767,640.36, 1,059,533.64 and 523,029.72 is: 721,910.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,640.36 : 1,059,533.64 = 523,029.72 : x
  2. Step 2: Convert to fraction form
    767,640.36/1,059,533.64 = 523,029.72/x
  3. Step 3: Cross multiply
    767,640.36x = 1,059,533.64 × 523,029.72
  4. Step 4: Simplify right side
    767,640.36x = 554,167,583,059.78
  5. Step 5: Solve for x
    x = 554,167,583,059.78/767,640.36
  6. Step 6: Final answer
    x = 721,910.43

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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.