Home / 627,050.03-865,300.02-355,119.86

Finding the Fourth Proportional to 627,050.03, 865,300.02 and 355,119.86

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Solution

The fourth proportional to 627,050.03, 865,300.02 and 355,119.86 is: 490,048.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,050.03 : 865,300.02 = 355,119.86 : x
  2. Step 2: Convert to fraction form
    627,050.03/865,300.02 = 355,119.86/x
  3. Step 3: Cross multiply
    627,050.03x = 865,300.02 × 355,119.86
  4. Step 4: Simplify right side
    627,050.03x = 307,285,222,791.95
  5. Step 5: Solve for x
    x = 307,285,222,791.95/627,050.03
  6. Step 6: Final answer
    x = 490,048.98

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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.