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Finding the Fourth Proportional to 545,089.08, 752,215.42 and 303,371.60

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Solution

The fourth proportional to 545,089.08, 752,215.42 and 303,371.60 is: 418,648.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,089.08 : 752,215.42 = 303,371.60 : x
  2. Step 2: Convert to fraction form
    545,089.08/752,215.42 = 303,371.60/x
  3. Step 3: Cross multiply
    545,089.08x = 752,215.42 × 303,371.60
  4. Step 4: Simplify right side
    545,089.08x = 228,200,795,510.07
  5. Step 5: Solve for x
    x = 228,200,795,510.07/545,089.08
  6. Step 6: Final answer
    x = 418,648.63

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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.