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Finding the Fourth Proportional to 702,703.32, 969,730.90 and 380,413.41

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Solution

The fourth proportional to 702,703.32, 969,730.90 and 380,413.41 is: 524,970.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,703.32 : 969,730.90 = 380,413.41 : x
  2. Step 2: Convert to fraction form
    702,703.32/969,730.90 = 380,413.41/x
  3. Step 3: Cross multiply
    702,703.32x = 969,730.90 × 380,413.41
  4. Step 4: Simplify right side
    702,703.32x = 368,898,638,451.37
  5. Step 5: Solve for x
    x = 368,898,638,451.37/702,703.32
  6. Step 6: Final answer
    x = 524,970.68

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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.