Home / 614,525.12-921,865.44-298,715.84

Finding the Fourth Proportional to 614,525.12, 921,865.44 and 298,715.84

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Solution

The fourth proportional to 614,525.12, 921,865.44 and 298,715.84 is: 448,111.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,525.12 : 921,865.44 = 298,715.84 : x
  2. Step 2: Convert to fraction form
    614,525.12/921,865.44 = 298,715.84/x
  3. Step 3: Cross multiply
    614,525.12x = 921,865.44 × 298,715.84
  4. Step 4: Simplify right side
    614,525.12x = 275,375,809,276.57
  5. Step 5: Solve for x
    x = 275,375,809,276.57/614,525.12
  6. Step 6: Final answer
    x = 448,111.56

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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.