Home / 934,744.74-1,401,556.23-428,671.77

Finding the Fourth Proportional to 934,744.74, 1,401,556.23 and 428,671.77

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Solution

The fourth proportional to 934,744.74, 1,401,556.23 and 428,671.77 is: 642,750.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,744.74 : 1,401,556.23 = 428,671.77 : x
  2. Step 2: Convert to fraction form
    934,744.74/1,401,556.23 = 428,671.77/x
  3. Step 3: Cross multiply
    934,744.74x = 1,401,556.23 × 428,671.77
  4. Step 4: Simplify right side
    934,744.74x = 600,807,589,868.63
  5. Step 5: Solve for x
    x = 600,807,589,868.63/934,744.74
  6. Step 6: Final answer
    x = 642,750.44

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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.