Home / 438,740.47-658,319.69-304,012.32

Finding the Fourth Proportional to 438,740.47, 658,319.69 and 304,012.32

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Solution

The fourth proportional to 438,740.47, 658,319.69 and 304,012.32 is: 456,163.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,740.47 : 658,319.69 = 304,012.32 : x
  2. Step 2: Convert to fraction form
    438,740.47/658,319.69 = 304,012.32/x
  3. Step 3: Cross multiply
    438,740.47x = 658,319.69 × 304,012.32
  4. Step 4: Simplify right side
    438,740.47x = 200,137,296,258.58
  5. Step 5: Solve for x
    x = 200,137,296,258.58/438,740.47
  6. Step 6: Final answer
    x = 456,163.29

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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.