Home / 753,632.69-1,130,508.25-213,880.39

Finding the Fourth Proportional to 753,632.69, 1,130,508.25 and 213,880.39

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Solution

The fourth proportional to 753,632.69, 1,130,508.25 and 213,880.39 is: 320,837.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,632.69 : 1,130,508.25 = 213,880.39 : x
  2. Step 2: Convert to fraction form
    753,632.69/1,130,508.25 = 213,880.39/x
  3. Step 3: Cross multiply
    753,632.69x = 1,130,508.25 × 213,880.39
  4. Step 4: Simplify right side
    753,632.69x = 241,793,542,047.25
  5. Step 5: Solve for x
    x = 241,793,542,047.25/753,632.69
  6. Step 6: Final answer
    x = 320,837.39

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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.