Home / 538,364.40-742,933.04-296,669.44

Finding the Fourth Proportional to 538,364.40, 742,933.04 and 296,669.44

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Solution

The fourth proportional to 538,364.40, 742,933.04 and 296,669.44 is: 409,398.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,364.40 : 742,933.04 = 296,669.44 : x
  2. Step 2: Convert to fraction form
    538,364.40/742,933.04 = 296,669.44/x
  3. Step 3: Cross multiply
    538,364.40x = 742,933.04 × 296,669.44
  4. Step 4: Simplify right side
    538,364.40x = 220,405,528,934.30
  5. Step 5: Solve for x
    x = 220,405,528,934.30/538,364.40
  6. Step 6: Final answer
    x = 409,398.41

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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.