Home / 588,140.80-821,621.60-588,140.80

Finding the Fourth Proportional to 588,140.80, 821,621.60 and 588,140.80

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Solution

The fourth proportional to 588,140.80, 821,621.60 and 588,140.80 is: 821,621.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,140.80 : 821,621.60 = 588,140.80 : x
  2. Step 2: Convert to fraction form
    588,140.80/821,621.60 = 588,140.80/x
  3. Step 3: Cross multiply
    588,140.80x = 821,621.60 × 588,140.80
  4. Step 4: Simplify right side
    588,140.80x = 483,229,185,121.28
  5. Step 5: Solve for x
    x = 483,229,185,121.28/588,140.80
  6. Step 6: Final answer
    x = 821,621.60

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.