Home / 722,750.23-1,085,118.41-368,002.63

Finding the Fourth Proportional to 722,750.23, 1,085,118.41 and 368,002.63

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Solution

The fourth proportional to 722,750.23, 1,085,118.41 and 368,002.63 is: 552,509.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,750.23 : 1,085,118.41 = 368,002.63 : x
  2. Step 2: Convert to fraction form
    722,750.23/1,085,118.41 = 368,002.63/x
  3. Step 3: Cross multiply
    722,750.23x = 1,085,118.41 × 368,002.63
  4. Step 4: Simplify right side
    722,750.23x = 399,326,428,741.42
  5. Step 5: Solve for x
    x = 399,326,428,741.42/722,750.23
  6. Step 6: Final answer
    x = 552,509.58

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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.