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Finding the Fourth Proportional to 452,403.53, 624,559.25 and 348,811.46

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Solution

The fourth proportional to 452,403.53, 624,559.25 and 348,811.46 is: 481,546.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,403.53 : 624,559.25 = 348,811.46 : x
  2. Step 2: Convert to fraction form
    452,403.53/624,559.25 = 348,811.46/x
  3. Step 3: Cross multiply
    452,403.53x = 624,559.25 × 348,811.46
  4. Step 4: Simplify right side
    452,403.53x = 217,853,423,666.35
  5. Step 5: Solve for x
    x = 217,853,423,666.35/452,403.53
  6. Step 6: Final answer
    x = 481,546.70

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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.