Home / 417,788.36-576,554.95-226,801.75

Finding the Fourth Proportional to 417,788.36, 576,554.95 and 226,801.75

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Solution

The fourth proportional to 417,788.36, 576,554.95 and 226,801.75 is: 312,990.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,788.36 : 576,554.95 = 226,801.75 : x
  2. Step 2: Convert to fraction form
    417,788.36/576,554.95 = 226,801.75/x
  3. Step 3: Cross multiply
    417,788.36x = 576,554.95 × 226,801.75
  4. Step 4: Simplify right side
    417,788.36x = 130,763,671,631.16
  5. Step 5: Solve for x
    x = 130,763,671,631.16/417,788.36
  6. Step 6: Final answer
    x = 312,990.22

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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.