Home / 651,669.80-977,067.30-314,871.80

Finding the Fourth Proportional to 651,669.80, 977,067.30 and 314,871.80

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Solution

The fourth proportional to 651,669.80, 977,067.30 and 314,871.80 is: 472,096.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,669.80 : 977,067.30 = 314,871.80 : x
  2. Step 2: Convert to fraction form
    651,669.80/977,067.30 = 314,871.80/x
  3. Step 3: Cross multiply
    651,669.80x = 977,067.30 × 314,871.80
  4. Step 4: Simplify right side
    651,669.80x = 307,650,939,472.14
  5. Step 5: Solve for x
    x = 307,650,939,472.14/651,669.80
  6. Step 6: Final answer
    x = 472,096.36

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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.