Home / 851,445.20-1,275,785.40-535,336.40

Finding the Fourth Proportional to 851,445.20, 1,275,785.40 and 535,336.40

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Solution

The fourth proportional to 851,445.20, 1,275,785.40 and 535,336.40 is: 802,135.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,445.20 : 1,275,785.40 = 535,336.40 : x
  2. Step 2: Convert to fraction form
    851,445.20/1,275,785.40 = 535,336.40/x
  3. Step 3: Cross multiply
    851,445.20x = 1,275,785.40 × 535,336.40
  4. Step 4: Simplify right side
    851,445.20x = 682,974,363,208.56
  5. Step 5: Solve for x
    x = 682,974,363,208.56/851,445.20
  6. Step 6: Final answer
    x = 802,135.43

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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.