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Finding the Fourth Proportional to 526,975.70, 790,572.82 and 211,457.22

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Solution

The fourth proportional to 526,975.70, 790,572.82 and 211,457.22 is: 317,229.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,975.70 : 790,572.82 = 211,457.22 : x
  2. Step 2: Convert to fraction form
    526,975.70/790,572.82 = 211,457.22/x
  3. Step 3: Cross multiply
    526,975.70x = 790,572.82 × 211,457.22
  4. Step 4: Simplify right side
    526,975.70x = 167,172,330,724.76
  5. Step 5: Solve for x
    x = 167,172,330,724.76/526,975.70
  6. Step 6: Final answer
    x = 317,229.68

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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.