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Finding the Fourth Proportional to 624,962.56, 862,510.08 and 356,730.88

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Solution

The fourth proportional to 624,962.56, 862,510.08 and 356,730.88 is: 492,323.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,962.56 : 862,510.08 = 356,730.88 : x
  2. Step 2: Convert to fraction form
    624,962.56/862,510.08 = 356,730.88/x
  3. Step 3: Cross multiply
    624,962.56x = 862,510.08 × 356,730.88
  4. Step 4: Simplify right side
    624,962.56x = 307,683,979,847.27
  5. Step 5: Solve for x
    x = 307,683,979,847.27/624,962.56
  6. Step 6: Final answer
    x = 492,323.86

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1.5x scale

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.