Home / 993,130.80-1,489,696.20-362,065.20

Finding the Fourth Proportional to 993,130.80, 1,489,696.20 and 362,065.20

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Solution

The fourth proportional to 993,130.80, 1,489,696.20 and 362,065.20 is: 543,097.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,130.80 : 1,489,696.20 = 362,065.20 : x
  2. Step 2: Convert to fraction form
    993,130.80/1,489,696.20 = 362,065.20/x
  3. Step 3: Cross multiply
    993,130.80x = 1,489,696.20 × 362,065.20
  4. Step 4: Simplify right side
    993,130.80x = 539,367,152,592.24
  5. Step 5: Solve for x
    x = 539,367,152,592.24/993,130.80
  6. Step 6: Final answer
    x = 543,097.80

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Double scale
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Similar ratio
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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.