Home / 915,636.76-1,263,517.08-507,723.59

Finding the Fourth Proportional to 915,636.76, 1,263,517.08 and 507,723.59

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Solution

The fourth proportional to 915,636.76, 1,263,517.08 and 507,723.59 is: 700,624.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,636.76 : 1,263,517.08 = 507,723.59 : x
  2. Step 2: Convert to fraction form
    915,636.76/1,263,517.08 = 507,723.59/x
  3. Step 3: Cross multiply
    915,636.76x = 1,263,517.08 × 507,723.59
  4. Step 4: Simplify right side
    915,636.76x = 641,517,429,138.75
  5. Step 5: Solve for x
    x = 641,517,429,138.75/915,636.76
  6. Step 6: Final answer
    x = 700,624.37

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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.