Home / 959,761.72-1,440,528.20-486,779.24

Finding the Fourth Proportional to 959,761.72, 1,440,528.20 and 486,779.24

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Solution

The fourth proportional to 959,761.72, 1,440,528.20 and 486,779.24 is: 730,618.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,761.72 : 1,440,528.20 = 486,779.24 : x
  2. Step 2: Convert to fraction form
    959,761.72/1,440,528.20 = 486,779.24/x
  3. Step 3: Cross multiply
    959,761.72x = 1,440,528.20 × 486,779.24
  4. Step 4: Simplify right side
    959,761.72x = 701,219,222,394.57
  5. Step 5: Solve for x
    x = 701,219,222,394.57/959,761.72
  6. Step 6: Final answer
    x = 730,618.04

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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.