Home / 418,426.04-577,424.49-227,438.84

Finding the Fourth Proportional to 418,426.04, 577,424.49 and 227,438.84

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Solution

The fourth proportional to 418,426.04, 577,424.49 and 227,438.84 is: 313,863.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,426.04 : 577,424.49 = 227,438.84 : x
  2. Step 2: Convert to fraction form
    418,426.04/577,424.49 = 227,438.84/x
  3. Step 3: Cross multiply
    418,426.04x = 577,424.49 × 227,438.84
  4. Step 4: Simplify right side
    418,426.04x = 131,328,756,193.19
  5. Step 5: Solve for x
    x = 131,328,756,193.19/418,426.04
  6. Step 6: Final answer
    x = 313,863.73

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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.