Home / 449,039-619,674.64-247,835

Finding the Fourth Proportional to 449,039, 619,674.64 and 247,835

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Solution

The fourth proportional to 449,039, 619,674.64 and 247,835 is: 342,012.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,039 : 619,674.64 = 247,835 : x
  2. Step 2: Convert to fraction form
    449,039/619,674.64 = 247,835/x
  3. Step 3: Cross multiply
    449,039x = 619,674.64 × 247,835
  4. Step 4: Simplify right side
    449,039x = 153,577,064,404.40
  5. Step 5: Solve for x
    x = 153,577,064,404.40/449,039
  6. Step 6: Final answer
    x = 342,012.75

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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.