Home / 767,739.16-1,059,690.90-445,553.02

Finding the Fourth Proportional to 767,739.16, 1,059,690.90 and 445,553.02

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Solution

The fourth proportional to 767,739.16, 1,059,690.90 and 445,553.02 is: 614,985.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,739.16 : 1,059,690.90 = 445,553.02 : x
  2. Step 2: Convert to fraction form
    767,739.16/1,059,690.90 = 445,553.02/x
  3. Step 3: Cross multiply
    767,739.16x = 1,059,690.90 × 445,553.02
  4. Step 4: Simplify right side
    767,739.16x = 472,148,480,761.52
  5. Step 5: Solve for x
    x = 472,148,480,761.52/767,739.16
  6. Step 6: Final answer
    x = 614,985.54

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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.