Home / 418,424.04-577,421.73-227,436.84

Finding the Fourth Proportional to 418,424.04, 577,421.73 and 227,436.84

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Solution

The fourth proportional to 418,424.04, 577,421.73 and 227,436.84 is: 313,860.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,424.04 : 577,421.73 = 227,436.84 : x
  2. Step 2: Convert to fraction form
    418,424.04/577,421.73 = 227,436.84/x
  3. Step 3: Cross multiply
    418,424.04x = 577,421.73 × 227,436.84
  4. Step 4: Simplify right side
    418,424.04x = 131,326,973,618.53
  5. Step 5: Solve for x
    x = 131,326,973,618.53/418,424.04
  6. Step 6: Final answer
    x = 313,860.97

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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.