Home / 957,645.40-1,436,468.10-621,722.20

Finding the Fourth Proportional to 957,645.40, 1,436,468.10 and 621,722.20

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Solution

The fourth proportional to 957,645.40, 1,436,468.10 and 621,722.20 is: 932,583.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,645.40 : 1,436,468.10 = 621,722.20 : x
  2. Step 2: Convert to fraction form
    957,645.40/1,436,468.10 = 621,722.20/x
  3. Step 3: Cross multiply
    957,645.40x = 1,436,468.10 × 621,722.20
  4. Step 4: Simplify right side
    957,645.40x = 893,084,107,361.82
  5. Step 5: Solve for x
    x = 893,084,107,361.82/957,645.40
  6. Step 6: Final answer
    x = 932,583.30

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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.