Home / 745,072.74-1,117,826.87-239,622.39

Finding the Fourth Proportional to 745,072.74, 1,117,826.87 and 239,622.39

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Solution

The fourth proportional to 745,072.74, 1,117,826.87 and 239,622.39 is: 359,503.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,072.74 : 1,117,826.87 = 239,622.39 : x
  2. Step 2: Convert to fraction form
    745,072.74/1,117,826.87 = 239,622.39/x
  3. Step 3: Cross multiply
    745,072.74x = 1,117,826.87 × 239,622.39
  4. Step 4: Simplify right side
    745,072.74x = 267,856,344,997.51
  5. Step 5: Solve for x
    x = 267,856,344,997.51/745,072.74
  6. Step 6: Final answer
    x = 359,503.62

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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.