Home / 710,940.96-1,066,378.68-178,450.20

Finding the Fourth Proportional to 710,940.96, 1,066,378.68 and 178,450.20

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Solution

The fourth proportional to 710,940.96, 1,066,378.68 and 178,450.20 is: 267,667.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,940.96 : 1,066,378.68 = 178,450.20 : x
  2. Step 2: Convert to fraction form
    710,940.96/1,066,378.68 = 178,450.20/x
  3. Step 3: Cross multiply
    710,940.96x = 1,066,378.68 × 178,450.20
  4. Step 4: Simplify right side
    710,940.96x = 190,295,488,721.74
  5. Step 5: Solve for x
    x = 190,295,488,721.74/710,940.96
  6. Step 6: Final answer
    x = 267,667.08

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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.