Home / 745,089.25-1,117,800.55-271,774.62

Finding the Fourth Proportional to 745,089.25, 1,117,800.55 and 271,774.62

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Solution

The fourth proportional to 745,089.25, 1,117,800.55 and 271,774.62 is: 407,722.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,089.25 : 1,117,800.55 = 271,774.62 : x
  2. Step 2: Convert to fraction form
    745,089.25/1,117,800.55 = 271,774.62/x
  3. Step 3: Cross multiply
    745,089.25x = 1,117,800.55 × 271,774.62
  4. Step 4: Simplify right side
    745,089.25x = 303,789,814,123.04
  5. Step 5: Solve for x
    x = 303,789,814,123.04/745,089.25
  6. Step 6: Final answer
    x = 407,722.72

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1.5x scale

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.