Home / 775,278.80-1,162,956.60-402,030.80

Finding the Fourth Proportional to 775,278.80, 1,162,956.60 and 402,030.80

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Solution

The fourth proportional to 775,278.80, 1,162,956.60 and 402,030.80 is: 603,066.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,278.80 : 1,162,956.60 = 402,030.80 : x
  2. Step 2: Convert to fraction form
    775,278.80/1,162,956.60 = 402,030.80/x
  3. Step 3: Cross multiply
    775,278.80x = 1,162,956.60 × 402,030.80
  4. Step 4: Simplify right side
    775,278.80x = 467,544,372,263.28
  5. Step 5: Solve for x
    x = 467,544,372,263.28/775,278.80
  6. Step 6: Final answer
    x = 603,066.11

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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.