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Finding the Fourth Proportional to 545,078.84, 752,197.02 and 303,360.44

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Solution

The fourth proportional to 545,078.84, 752,197.02 and 303,360.44 is: 418,630.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,078.84 : 752,197.02 = 303,360.44 : x
  2. Step 2: Convert to fraction form
    545,078.84/752,197.02 = 303,360.44/x
  3. Step 3: Cross multiply
    545,078.84x = 752,197.02 × 303,360.44
  4. Step 4: Simplify right side
    545,078.84x = 228,186,818,953.89
  5. Step 5: Solve for x
    x = 228,186,818,953.89/545,078.84
  6. Step 6: Final answer
    x = 418,630.85

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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.