Home / 850,438.30-1,275,657.45-495,852.70

Finding the Fourth Proportional to 850,438.30, 1,275,657.45 and 495,852.70

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Solution

The fourth proportional to 850,438.30, 1,275,657.45 and 495,852.70 is: 743,779.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,438.30 : 1,275,657.45 = 495,852.70 : x
  2. Step 2: Convert to fraction form
    850,438.30/1,275,657.45 = 495,852.70/x
  3. Step 3: Cross multiply
    850,438.30x = 1,275,657.45 × 495,852.70
  4. Step 4: Simplify right side
    850,438.30x = 632,538,190,857.62
  5. Step 5: Solve for x
    x = 632,538,190,857.62/850,438.30
  6. Step 6: Final answer
    x = 743,779.05

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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.