Home / 576,418.02-864,629.57-239,458.40

Finding the Fourth Proportional to 576,418.02, 864,629.57 and 239,458.40

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Solution

The fourth proportional to 576,418.02, 864,629.57 and 239,458.40 is: 359,188.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,418.02 : 864,629.57 = 239,458.40 : x
  2. Step 2: Convert to fraction form
    576,418.02/864,629.57 = 239,458.40/x
  3. Step 3: Cross multiply
    576,418.02x = 864,629.57 × 239,458.40
  4. Step 4: Simplify right side
    576,418.02x = 207,042,807,904.45
  5. Step 5: Solve for x
    x = 207,042,807,904.45/576,418.02
  6. Step 6: Final answer
    x = 359,188.65

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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.