Home / 727,728.40-1,091,592.60-723,062.80

Finding the Fourth Proportional to 727,728.40, 1,091,592.60 and 723,062.80

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Solution

The fourth proportional to 727,728.40, 1,091,592.60 and 723,062.80 is: 1,084,594.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,728.40 : 1,091,592.60 = 723,062.80 : x
  2. Step 2: Convert to fraction form
    727,728.40/1,091,592.60 = 723,062.80/x
  3. Step 3: Cross multiply
    727,728.40x = 1,091,592.60 × 723,062.80
  4. Step 4: Simplify right side
    727,728.40x = 789,290,001,815.28
  5. Step 5: Solve for x
    x = 789,290,001,815.28/727,728.40
  6. Step 6: Final answer
    x = 1,084,594.20

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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.