Home / 708,374.65-1,062,728.07-281,936.31

Finding the Fourth Proportional to 708,374.65, 1,062,728.07 and 281,936.31

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Solution

The fourth proportional to 708,374.65, 1,062,728.07 and 281,936.31 is: 422,970.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,374.65 : 1,062,728.07 = 281,936.31 : x
  2. Step 2: Convert to fraction form
    708,374.65/1,062,728.07 = 281,936.31/x
  3. Step 3: Cross multiply
    708,374.65x = 1,062,728.07 × 281,936.31
  4. Step 4: Simplify right side
    708,374.65x = 299,621,623,865.90
  5. Step 5: Solve for x
    x = 299,621,623,865.90/708,374.65
  6. Step 6: Final answer
    x = 422,970.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.