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Finding the Fourth Proportional to 545,690.07, 752,952.35 and 303,966.63

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Solution

The fourth proportional to 545,690.07, 752,952.35 and 303,966.63 is: 419,418.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,690.07 : 752,952.35 = 303,966.63 : x
  2. Step 2: Convert to fraction form
    545,690.07/752,952.35 = 303,966.63/x
  3. Step 3: Cross multiply
    545,690.07x = 752,952.35 × 303,966.63
  4. Step 4: Simplify right side
    545,690.07x = 228,872,384,615.32
  5. Step 5: Solve for x
    x = 228,872,384,615.32/545,690.07
  6. Step 6: Final answer
    x = 419,418.27

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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.