Home / 851,043.80-1,274,880.90-551,732.60

Finding the Fourth Proportional to 851,043.80, 1,274,880.90 and 551,732.60

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Solution

The fourth proportional to 851,043.80, 1,274,880.90 and 551,732.60 is: 826,506.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,043.80 : 1,274,880.90 = 551,732.60 : x
  2. Step 2: Convert to fraction form
    851,043.80/1,274,880.90 = 551,732.60/x
  3. Step 3: Cross multiply
    851,043.80x = 1,274,880.90 × 551,732.60
  4. Step 4: Simplify right side
    851,043.80x = 703,393,353,647.34
  5. Step 5: Solve for x
    x = 703,393,353,647.34/851,043.80
  6. Step 6: Final answer
    x = 826,506.64

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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.