Home / 718,441.75-1,077,662.63-292,209.48

Finding the Fourth Proportional to 718,441.75, 1,077,662.63 and 292,209.48

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Solution

The fourth proportional to 718,441.75, 1,077,662.63 and 292,209.48 is: 438,314.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,441.75 : 1,077,662.63 = 292,209.48 : x
  2. Step 2: Convert to fraction form
    718,441.75/1,077,662.63 = 292,209.48/x
  3. Step 3: Cross multiply
    718,441.75x = 1,077,662.63 × 292,209.48
  4. Step 4: Simplify right side
    718,441.75x = 314,903,235,266.69
  5. Step 5: Solve for x
    x = 314,903,235,266.69/718,441.75
  6. Step 6: Final answer
    x = 438,314.22

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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.