Home / 628,420.27-941,892.06-290,747.47

Finding the Fourth Proportional to 628,420.27, 941,892.06 and 290,747.47

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Solution

The fourth proportional to 628,420.27, 941,892.06 and 290,747.47 is: 435,779.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,420.27 : 941,892.06 = 290,747.47 : x
  2. Step 2: Convert to fraction form
    628,420.27/941,892.06 = 290,747.47/x
  3. Step 3: Cross multiply
    628,420.27x = 941,892.06 × 290,747.47
  4. Step 4: Simplify right side
    628,420.27x = 273,852,733,458.09
  5. Step 5: Solve for x
    x = 273,852,733,458.09/628,420.27
  6. Step 6: Final answer
    x = 435,779.60

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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.