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Finding the Fourth Proportional to 452,506.24, 678,760.98 and 152,989.48

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Solution

The fourth proportional to 452,506.24, 678,760.98 and 152,989.48 is: 229,484.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,506.24 : 678,760.98 = 152,989.48 : x
  2. Step 2: Convert to fraction form
    452,506.24/678,760.98 = 152,989.48/x
  3. Step 3: Cross multiply
    452,506.24x = 678,760.98 × 152,989.48
  4. Step 4: Simplify right side
    452,506.24x = 103,843,289,374.49
  5. Step 5: Solve for x
    x = 103,843,289,374.49/452,506.24
  6. Step 6: Final answer
    x = 229,484.77

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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.