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Finding the Fourth Proportional to 702,690.55, 969,712.75 and 380,400.41

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Solution

The fourth proportional to 702,690.55, 969,712.75 and 380,400.41 is: 524,952.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,690.55 : 969,712.75 = 380,400.41 : x
  2. Step 2: Convert to fraction form
    702,690.55/969,712.75 = 380,400.41/x
  3. Step 3: Cross multiply
    702,690.55x = 969,712.75 × 380,400.41
  4. Step 4: Simplify right side
    702,690.55x = 368,879,122,833.66
  5. Step 5: Solve for x
    x = 368,879,122,833.66/702,690.55
  6. Step 6: Final answer
    x = 524,952.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.