Home / 899,522.40-1,348,419.60-520,053.60

Finding the Fourth Proportional to 899,522.40, 1,348,419.60 and 520,053.60

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Solution

The fourth proportional to 899,522.40, 1,348,419.60 and 520,053.60 is: 779,580.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,522.40 : 1,348,419.60 = 520,053.60 : x
  2. Step 2: Convert to fraction form
    899,522.40/1,348,419.60 = 520,053.60/x
  3. Step 3: Cross multiply
    899,522.40x = 1,348,419.60 × 520,053.60
  4. Step 4: Simplify right side
    899,522.40x = 701,250,467,290.56
  5. Step 5: Solve for x
    x = 701,250,467,290.56/899,522.40
  6. Step 6: Final answer
    x = 779,580.88

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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.