Home / 677,777.85-1,015,310.50-407,756.32

Finding the Fourth Proportional to 677,777.85, 1,015,310.50 and 407,756.32

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Solution

The fourth proportional to 677,777.85, 1,015,310.50 and 407,756.32 is: 610,818.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,777.85 : 1,015,310.50 = 407,756.32 : x
  2. Step 2: Convert to fraction form
    677,777.85/1,015,310.50 = 407,756.32/x
  3. Step 3: Cross multiply
    677,777.85x = 1,015,310.50 × 407,756.32
  4. Step 4: Simplify right side
    677,777.85x = 413,999,268,151.92
  5. Step 5: Solve for x
    x = 413,999,268,151.92/677,777.85
  6. Step 6: Final answer
    x = 610,818.52

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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.