Home / 775,314.80-1,163,010.60-402,066.80

Finding the Fourth Proportional to 775,314.80, 1,163,010.60 and 402,066.80

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Solution

The fourth proportional to 775,314.80, 1,163,010.60 and 402,066.80 is: 603,120.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,314.80 : 1,163,010.60 = 402,066.80 : x
  2. Step 2: Convert to fraction form
    775,314.80/1,163,010.60 = 402,066.80/x
  3. Step 3: Cross multiply
    775,314.80x = 1,163,010.60 × 402,066.80
  4. Step 4: Simplify right side
    775,314.80x = 467,607,950,308.08
  5. Step 5: Solve for x
    x = 467,607,950,308.08/775,314.80
  6. Step 6: Final answer
    x = 603,120.11

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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.