Home / 955,011.81-1,432,361.98-280,935.43

Finding the Fourth Proportional to 955,011.81, 1,432,361.98 and 280,935.43

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Solution

The fourth proportional to 955,011.81, 1,432,361.98 and 280,935.43 is: 421,357.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,011.81 : 1,432,361.98 = 280,935.43 : x
  2. Step 2: Convert to fraction form
    955,011.81/1,432,361.98 = 280,935.43/x
  3. Step 3: Cross multiply
    955,011.81x = 1,432,361.98 × 280,935.43
  4. Step 4: Simplify right side
    955,011.81x = 402,401,228,766.95
  5. Step 5: Solve for x
    x = 402,401,228,766.95/955,011.81
  6. Step 6: Final answer
    x = 421,357.33

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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.