Home / 905,851.80-1,358,772.84-231,931.80

Finding the Fourth Proportional to 905,851.80, 1,358,772.84 and 231,931.80

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Solution

The fourth proportional to 905,851.80, 1,358,772.84 and 231,931.80 is: 347,896.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,851.80 : 1,358,772.84 = 231,931.80 : x
  2. Step 2: Convert to fraction form
    905,851.80/1,358,772.84 = 231,931.80/x
  3. Step 3: Cross multiply
    905,851.80x = 1,358,772.84 × 231,931.80
  4. Step 4: Simplify right side
    905,851.80x = 315,142,630,572.31
  5. Step 5: Solve for x
    x = 315,142,630,572.31/905,851.80
  6. Step 6: Final answer
    x = 347,896.46

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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.