Home / 875,740.80-1,313,611.20-576,559.20

Finding the Fourth Proportional to 875,740.80, 1,313,611.20 and 576,559.20

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Solution

The fourth proportional to 875,740.80, 1,313,611.20 and 576,559.20 is: 864,838.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,740.80 : 1,313,611.20 = 576,559.20 : x
  2. Step 2: Convert to fraction form
    875,740.80/1,313,611.20 = 576,559.20/x
  3. Step 3: Cross multiply
    875,740.80x = 1,313,611.20 × 576,559.20
  4. Step 4: Simplify right side
    875,740.80x = 757,374,622,583.04
  5. Step 5: Solve for x
    x = 757,374,622,583.04/875,740.80
  6. Step 6: Final answer
    x = 864,838.80

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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.