Home / 449,478.18-620,282.03-245,531.93

Finding the Fourth Proportional to 449,478.18, 620,282.03 and 245,531.93

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Solution

The fourth proportional to 449,478.18, 620,282.03 and 245,531.93 is: 338,835.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,478.18 : 620,282.03 = 245,531.93 : x
  2. Step 2: Convert to fraction form
    449,478.18/620,282.03 = 245,531.93/x
  3. Step 3: Cross multiply
    449,478.18x = 620,282.03 × 245,531.93
  4. Step 4: Simplify right side
    449,478.18x = 152,299,043,970.22
  5. Step 5: Solve for x
    x = 152,299,043,970.22/449,478.18
  6. Step 6: Final answer
    x = 338,835.23

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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.