Home / 518,823.56-715,976.52-292,469.06

Finding the Fourth Proportional to 518,823.56, 715,976.52 and 292,469.06

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Solution

The fourth proportional to 518,823.56, 715,976.52 and 292,469.06 is: 403,607.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,823.56 : 715,976.52 = 292,469.06 : x
  2. Step 2: Convert to fraction form
    518,823.56/715,976.52 = 292,469.06/x
  3. Step 3: Cross multiply
    518,823.56x = 715,976.52 × 292,469.06
  4. Step 4: Simplify right side
    518,823.56x = 209,400,980,479.65
  5. Step 5: Solve for x
    x = 209,400,980,479.65/518,823.56
  6. Step 6: Final answer
    x = 403,607.31

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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.