Home / 404,950.14-558,253.80-314,145.90

Finding the Fourth Proportional to 404,950.14, 558,253.80 and 314,145.90

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Solution

The fourth proportional to 404,950.14, 558,253.80 and 314,145.90 is: 433,073.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,950.14 : 558,253.80 = 314,145.90 : x
  2. Step 2: Convert to fraction form
    404,950.14/558,253.80 = 314,145.90/x
  3. Step 3: Cross multiply
    404,950.14x = 558,253.80 × 314,145.90
  4. Step 4: Simplify right side
    404,950.14x = 175,373,142,429.42
  5. Step 5: Solve for x
    x = 175,373,142,429.42/404,950.14
  6. Step 6: Final answer
    x = 433,073.42

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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.