Home / 695,590.40-1,044,163.20-538,515.20

Finding the Fourth Proportional to 695,590.40, 1,044,163.20 and 538,515.20

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Solution

The fourth proportional to 695,590.40, 1,044,163.20 and 538,515.20 is: 808,374.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,590.40 : 1,044,163.20 = 538,515.20 : x
  2. Step 2: Convert to fraction form
    695,590.40/1,044,163.20 = 538,515.20/x
  3. Step 3: Cross multiply
    695,590.40x = 1,044,163.20 × 538,515.20
  4. Step 4: Simplify right side
    695,590.40x = 562,297,754,480.64
  5. Step 5: Solve for x
    x = 562,297,754,480.64/695,590.40
  6. Step 6: Final answer
    x = 808,374.81

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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.