Home / 731,453.76-1,097,616.69-326,614.68

Finding the Fourth Proportional to 731,453.76, 1,097,616.69 and 326,614.68

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Solution

The fourth proportional to 731,453.76, 1,097,616.69 and 326,614.68 is: 490,116.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,453.76 : 1,097,616.69 = 326,614.68 : x
  2. Step 2: Convert to fraction form
    731,453.76/1,097,616.69 = 326,614.68/x
  3. Step 3: Cross multiply
    731,453.76x = 1,097,616.69 × 326,614.68
  4. Step 4: Simplify right side
    731,453.76x = 358,497,723,967.01
  5. Step 5: Solve for x
    x = 358,497,723,967.01/731,453.76
  6. Step 6: Final answer
    x = 490,116.73

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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.