Home / 745,147.45-1,117,094.23-324,106.21

Finding the Fourth Proportional to 745,147.45, 1,117,094.23 and 324,106.21

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Solution

The fourth proportional to 745,147.45, 1,117,094.23 and 324,106.21 is: 485,886.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,147.45 : 1,117,094.23 = 324,106.21 : x
  2. Step 2: Convert to fraction form
    745,147.45/1,117,094.23 = 324,106.21/x
  3. Step 3: Cross multiply
    745,147.45x = 1,117,094.23 × 324,106.21
  4. Step 4: Simplify right side
    745,147.45x = 362,057,177,098.17
  5. Step 5: Solve for x
    x = 362,057,177,098.17/745,147.45
  6. Step 6: Final answer
    x = 485,886.62

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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.