Home / 734,039.34-1,101,487.67-307,538.72

Finding the Fourth Proportional to 734,039.34, 1,101,487.67 and 307,538.72

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Solution

The fourth proportional to 734,039.34, 1,101,487.67 and 307,538.72 is: 461,487.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,039.34 : 1,101,487.67 = 307,538.72 : x
  2. Step 2: Convert to fraction form
    734,039.34/1,101,487.67 = 307,538.72/x
  3. Step 3: Cross multiply
    734,039.34x = 1,101,487.67 × 307,538.72
  4. Step 4: Simplify right side
    734,039.34x = 338,750,106,589.89
  5. Step 5: Solve for x
    x = 338,750,106,589.89/734,039.34
  6. Step 6: Final answer
    x = 461,487.68

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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.