Home / 989,224.40-1,483,836.60-930,175.40

Finding the Fourth Proportional to 989,224.40, 1,483,836.60 and 930,175.40

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Solution

The fourth proportional to 989,224.40, 1,483,836.60 and 930,175.40 is: 1,395,263.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,224.40 : 1,483,836.60 = 930,175.40 : x
  2. Step 2: Convert to fraction form
    989,224.40/1,483,836.60 = 930,175.40/x
  3. Step 3: Cross multiply
    989,224.40x = 1,483,836.60 × 930,175.40
  4. Step 4: Simplify right side
    989,224.40x = 1,380,228,302,939.64
  5. Step 5: Solve for x
    x = 1,380,228,302,939.64/989,224.40
  6. Step 6: Final answer
    x = 1,395,263.10

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Double scale
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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.