Home / 417,690.04-576,406.32-226,698.52

Finding the Fourth Proportional to 417,690.04, 576,406.32 and 226,698.52

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Solution

The fourth proportional to 417,690.04, 576,406.32 and 226,698.52 is: 312,840.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,690.04 : 576,406.32 = 226,698.52 : x
  2. Step 2: Convert to fraction form
    417,690.04/576,406.32 = 226,698.52/x
  3. Step 3: Cross multiply
    417,690.04x = 576,406.32 × 226,698.52
  4. Step 4: Simplify right side
    417,690.04x = 130,670,459,662.65
  5. Step 5: Solve for x
    x = 130,670,459,662.65/417,690.04
  6. Step 6: Final answer
    x = 312,840.74

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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.