Home / 710,927.64-1,066,687.86-311,854.80

Finding the Fourth Proportional to 710,927.64, 1,066,687.86 and 311,854.80

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Solution

The fourth proportional to 710,927.64, 1,066,687.86 and 311,854.80 is: 467,912.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,927.64 : 1,066,687.86 = 311,854.80 : x
  2. Step 2: Convert to fraction form
    710,927.64/1,066,687.86 = 311,854.80/x
  3. Step 3: Cross multiply
    710,927.64x = 1,066,687.86 × 311,854.80
  4. Step 4: Simplify right side
    710,927.64x = 332,651,729,242.73
  5. Step 5: Solve for x
    x = 332,651,729,242.73/710,927.64
  6. Step 6: Final answer
    x = 467,912.22

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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.