Home / 775,829.44-1,070,649.95-431,679.93

Finding the Fourth Proportional to 775,829.44, 1,070,649.95 and 431,679.93

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Solution

The fourth proportional to 775,829.44, 1,070,649.95 and 431,679.93 is: 595,721.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,829.44 : 1,070,649.95 = 431,679.93 : x
  2. Step 2: Convert to fraction form
    775,829.44/1,070,649.95 = 431,679.93/x
  3. Step 3: Cross multiply
    775,829.44x = 1,070,649.95 × 431,679.93
  4. Step 4: Simplify right side
    775,829.44x = 462,178,097,747.77
  5. Step 5: Solve for x
    x = 462,178,097,747.77/775,829.44
  6. Step 6: Final answer
    x = 595,721.27

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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.