Home / 620,747.07-856,603.37-362,647.95

Finding the Fourth Proportional to 620,747.07, 856,603.37 and 362,647.95

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Solution

The fourth proportional to 620,747.07, 856,603.37 and 362,647.95 is: 500,438.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,747.07 : 856,603.37 = 362,647.95 : x
  2. Step 2: Convert to fraction form
    620,747.07/856,603.37 = 362,647.95/x
  3. Step 3: Cross multiply
    620,747.07x = 856,603.37 × 362,647.95
  4. Step 4: Simplify right side
    620,747.07x = 310,645,454,280.35
  5. Step 5: Solve for x
    x = 310,645,454,280.35/620,747.07
  6. Step 6: Final answer
    x = 500,438.05

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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.