Home / 692,650.86-1,039,080.15-243,292.53

Finding the Fourth Proportional to 692,650.86, 1,039,080.15 and 243,292.53

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Solution

The fourth proportional to 692,650.86, 1,039,080.15 and 243,292.53 is: 364,975.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,650.86 : 1,039,080.15 = 243,292.53 : x
  2. Step 2: Convert to fraction form
    692,650.86/1,039,080.15 = 243,292.53/x
  3. Step 3: Cross multiply
    692,650.86x = 1,039,080.15 × 243,292.53
  4. Step 4: Simplify right side
    692,650.86x = 252,800,438,566.28
  5. Step 5: Solve for x
    x = 252,800,438,566.28/692,650.86
  6. Step 6: Final answer
    x = 364,975.28

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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.