Home / 768,149.66-1,060,445.10-561,185.94

Finding the Fourth Proportional to 768,149.66, 1,060,445.10 and 561,185.94

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Solution

The fourth proportional to 768,149.66, 1,060,445.10 and 561,185.94 is: 774,727.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,149.66 : 1,060,445.10 = 561,185.94 : x
  2. Step 2: Convert to fraction form
    768,149.66/1,060,445.10 = 561,185.94/x
  3. Step 3: Cross multiply
    768,149.66x = 1,060,445.10 × 561,185.94
  4. Step 4: Simplify right side
    768,149.66x = 595,106,880,261.89
  5. Step 5: Solve for x
    x = 595,106,880,261.89/768,149.66
  6. Step 6: Final answer
    x = 774,727.78

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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.