Home / 651,634.80-977,452.20-561,433.20

Finding the Fourth Proportional to 651,634.80, 977,452.20 and 561,433.20

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Solution

The fourth proportional to 651,634.80, 977,452.20 and 561,433.20 is: 842,149.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,634.80 : 977,452.20 = 561,433.20 : x
  2. Step 2: Convert to fraction form
    651,634.80/977,452.20 = 561,433.20/x
  3. Step 3: Cross multiply
    651,634.80x = 977,452.20 × 561,433.20
  4. Step 4: Simplify right side
    651,634.80x = 548,774,116,493.04
  5. Step 5: Solve for x
    x = 548,774,116,493.04/651,634.80
  6. Step 6: Final answer
    x = 842,149.80

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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.