Home / 743,975.28-1,115,307.63-295,011.72

Finding the Fourth Proportional to 743,975.28, 1,115,307.63 and 295,011.72

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Solution

The fourth proportional to 743,975.28, 1,115,307.63 and 295,011.72 is: 442,257.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,975.28 : 1,115,307.63 = 295,011.72 : x
  2. Step 2: Convert to fraction form
    743,975.28/1,115,307.63 = 295,011.72/x
  3. Step 3: Cross multiply
    743,975.28x = 1,115,307.63 × 295,011.72
  4. Step 4: Simplify right side
    743,975.28x = 329,028,822,255.42
  5. Step 5: Solve for x
    x = 329,028,822,255.42/743,975.28
  6. Step 6: Final answer
    x = 442,257.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.