Home / 931,990.85-1,397,989.92-283,573.50

Finding the Fourth Proportional to 931,990.85, 1,397,989.92 and 283,573.50

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Solution

The fourth proportional to 931,990.85, 1,397,989.92 and 283,573.50 is: 425,361.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,990.85 : 1,397,989.92 = 283,573.50 : x
  2. Step 2: Convert to fraction form
    931,990.85/1,397,989.92 = 283,573.50/x
  3. Step 3: Cross multiply
    931,990.85x = 1,397,989.92 × 283,573.50
  4. Step 4: Simplify right side
    931,990.85x = 396,432,894,579.12
  5. Step 5: Solve for x
    x = 396,432,894,579.12/931,990.85
  6. Step 6: Final answer
    x = 425,361.36

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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.