Home / 734,071.74-1,100,751.21-430,548.54

Finding the Fourth Proportional to 734,071.74, 1,100,751.21 and 430,548.54

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Solution

The fourth proportional to 734,071.74, 1,100,751.21 and 430,548.54 is: 645,613.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,071.74 : 1,100,751.21 = 430,548.54 : x
  2. Step 2: Convert to fraction form
    734,071.74/1,100,751.21 = 430,548.54/x
  3. Step 3: Cross multiply
    734,071.74x = 1,100,751.21 × 430,548.54
  4. Step 4: Simplify right side
    734,071.74x = 473,926,826,368.73
  5. Step 5: Solve for x
    x = 473,926,826,368.73/734,071.74
  6. Step 6: Final answer
    x = 645,613.77

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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.