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Finding the Fourth Proportional to 545,433.85, 752,720.88 and 303,701.10

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Solution

The fourth proportional to 545,433.85, 752,720.88 and 303,701.10 is: 419,119.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,433.85 : 752,720.88 = 303,701.10 : x
  2. Step 2: Convert to fraction form
    545,433.85/752,720.88 = 303,701.10/x
  3. Step 3: Cross multiply
    545,433.85x = 752,720.88 × 303,701.10
  4. Step 4: Simplify right side
    545,433.85x = 228,602,159,248.97
  5. Step 5: Solve for x
    x = 228,602,159,248.97/545,433.85
  6. Step 6: Final answer
    x = 419,119.86

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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.