Home / 767,508.57-1,059,029.67-492,107.26

Finding the Fourth Proportional to 767,508.57, 1,059,029.67 and 492,107.26

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Solution

The fourth proportional to 767,508.57, 1,059,029.67 and 492,107.26 is: 679,023.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,508.57 : 1,059,029.67 = 492,107.26 : x
  2. Step 2: Convert to fraction form
    767,508.57/1,059,029.67 = 492,107.26/x
  3. Step 3: Cross multiply
    767,508.57x = 1,059,029.67 × 492,107.26
  4. Step 4: Simplify right side
    767,508.57x = 521,156,189,162.40
  5. Step 5: Solve for x
    x = 521,156,189,162.40/767,508.57
  6. Step 6: Final answer
    x = 679,023.28

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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.