Home / 651,806.40-977,758.20-231,027.60

Finding the Fourth Proportional to 651,806.40, 977,758.20 and 231,027.60

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Solution

The fourth proportional to 651,806.40, 977,758.20 and 231,027.60 is: 346,558.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,806.40 : 977,758.20 = 231,027.60 : x
  2. Step 2: Convert to fraction form
    651,806.40/977,758.20 = 231,027.60/x
  3. Step 3: Cross multiply
    651,806.40x = 977,758.20 × 231,027.60
  4. Step 4: Simplify right side
    651,806.40x = 225,889,130,326.32
  5. Step 5: Solve for x
    x = 225,889,130,326.32/651,806.40
  6. Step 6: Final answer
    x = 346,558.63

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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.