Home / 628,316.61-867,067.38-341,830.14

Finding the Fourth Proportional to 628,316.61, 867,067.38 and 341,830.14

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Solution

The fourth proportional to 628,316.61, 867,067.38 and 341,830.14 is: 471,720.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,316.61 : 867,067.38 = 341,830.14 : x
  2. Step 2: Convert to fraction form
    628,316.61/867,067.38 = 341,830.14/x
  3. Step 3: Cross multiply
    628,316.61x = 867,067.38 × 341,830.14
  4. Step 4: Simplify right side
    628,316.61x = 296,389,763,894.83
  5. Step 5: Solve for x
    x = 296,389,763,894.83/628,316.61
  6. Step 6: Final answer
    x = 471,720.40

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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.