Home / 745,034.89-1,115,601.21-488,059.03

Finding the Fourth Proportional to 745,034.89, 1,115,601.21 and 488,059.03

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Solution

The fourth proportional to 745,034.89, 1,115,601.21 and 488,059.03 is: 730,810.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,034.89 : 1,115,601.21 = 488,059.03 : x
  2. Step 2: Convert to fraction form
    745,034.89/1,115,601.21 = 488,059.03/x
  3. Step 3: Cross multiply
    745,034.89x = 1,115,601.21 × 488,059.03
  4. Step 4: Simplify right side
    745,034.89x = 544,479,241,630.42
  5. Step 5: Solve for x
    x = 544,479,241,630.42/745,034.89
  6. Step 6: Final answer
    x = 730,810.40

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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.