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Finding the Fourth Proportional to 716,392.48, 989,285.52 and 462,180.64

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Solution

The fourth proportional to 716,392.48, 989,285.52 and 462,180.64 is: 638,237.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,392.48 : 989,285.52 = 462,180.64 : x
  2. Step 2: Convert to fraction form
    716,392.48/989,285.52 = 462,180.64/x
  3. Step 3: Cross multiply
    716,392.48x = 989,285.52 × 462,180.64
  4. Step 4: Simplify right side
    716,392.48x = 457,228,614,776.33
  5. Step 5: Solve for x
    x = 457,228,614,776.33/716,392.48
  6. Step 6: Final answer
    x = 638,237.60

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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.