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Finding the Fourth Proportional to 452,405.53, 624,562.01 and 348,813.46

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Solution

The fourth proportional to 452,405.53, 624,562.01 and 348,813.46 is: 481,549.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,405.53 : 624,562.01 = 348,813.46 : x
  2. Step 2: Convert to fraction form
    452,405.53/624,562.01 = 348,813.46/x
  3. Step 3: Cross multiply
    452,405.53x = 624,562.01 × 348,813.46
  4. Step 4: Simplify right side
    452,405.53x = 217,855,635,692.66
  5. Step 5: Solve for x
    x = 217,855,635,692.66/452,405.53
  6. Step 6: Final answer
    x = 481,549.45

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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.