Home / 679,888.03-938,180.37-373,959.54

Finding the Fourth Proportional to 679,888.03, 938,180.37 and 373,959.54

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Solution

The fourth proportional to 679,888.03, 938,180.37 and 373,959.54 is: 516,028.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,888.03 : 938,180.37 = 373,959.54 : x
  2. Step 2: Convert to fraction form
    679,888.03/938,180.37 = 373,959.54/x
  3. Step 3: Cross multiply
    679,888.03x = 938,180.37 × 373,959.54
  4. Step 4: Simplify right side
    679,888.03x = 350,841,499,602.23
  5. Step 5: Solve for x
    x = 350,841,499,602.23/679,888.03
  6. Step 6: Final answer
    x = 516,028.35

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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.