Home / 518,175.24-715,083.27-300,426.24

Finding the Fourth Proportional to 518,175.24, 715,083.27 and 300,426.24

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Solution

The fourth proportional to 518,175.24, 715,083.27 and 300,426.24 is: 414,589.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,175.24 : 715,083.27 = 300,426.24 : x
  2. Step 2: Convert to fraction form
    518,175.24/715,083.27 = 300,426.24/x
  3. Step 3: Cross multiply
    518,175.24x = 715,083.27 × 300,426.24
  4. Step 4: Simplify right side
    518,175.24x = 214,829,778,093.01
  5. Step 5: Solve for x
    x = 214,829,778,093.01/518,175.24
  6. Step 6: Final answer
    x = 414,589.05

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1.5x scale

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.