Home / 448,817.00-619,422.28-257,829.98

Finding the Fourth Proportional to 448,817.00, 619,422.28 and 257,829.98

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Solution

The fourth proportional to 448,817.00, 619,422.28 and 257,829.98 is: 355,836.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,817.00 : 619,422.28 = 257,829.98 : x
  2. Step 2: Convert to fraction form
    448,817.00/619,422.28 = 257,829.98/x
  3. Step 3: Cross multiply
    448,817.00x = 619,422.28 × 257,829.98
  4. Step 4: Simplify right side
    448,817.00x = 159,705,630,322.27
  5. Step 5: Solve for x
    x = 159,705,630,322.27/448,817.00
  6. Step 6: Final answer
    x = 355,836.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.