Home / 418,418.04-577,418.93-227,431.32

Finding the Fourth Proportional to 418,418.04, 577,418.93 and 227,431.32

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Solution

The fourth proportional to 418,418.04, 577,418.93 and 227,431.32 is: 313,856.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,418.04 : 577,418.93 = 227,431.32 : x
  2. Step 2: Convert to fraction form
    418,418.04/577,418.93 = 227,431.32/x
  3. Step 3: Cross multiply
    418,418.04x = 577,418.93 × 227,431.32
  4. Step 4: Simplify right side
    418,418.04x = 131,323,149,442.89
  5. Step 5: Solve for x
    x = 131,323,149,442.89/418,418.04
  6. Step 6: Final answer
    x = 313,856.33

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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.