Home / 977,942.80-1,467,529.80-416,969.20

Finding the Fourth Proportional to 977,942.80, 1,467,529.80 and 416,969.20

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Solution

The fourth proportional to 977,942.80, 1,467,529.80 and 416,969.20 is: 625,716.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,942.80 : 1,467,529.80 = 416,969.20 : x
  2. Step 2: Convert to fraction form
    977,942.80/1,467,529.80 = 416,969.20/x
  3. Step 3: Cross multiply
    977,942.80x = 1,467,529.80 × 416,969.20
  4. Step 4: Simplify right side
    977,942.80x = 611,914,726,682.16
  5. Step 5: Solve for x
    x = 611,914,726,682.16/977,942.80
  6. Step 6: Final answer
    x = 625,716.28

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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.