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Finding the Fourth Proportional to 545,536.64, 752,786.53 and 303,841.67

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Solution

The fourth proportional to 545,536.64, 752,786.53 and 303,841.67 is: 419,271.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,536.64 : 752,786.53 = 303,841.67 : x
  2. Step 2: Convert to fraction form
    545,536.64/752,786.53 = 303,841.67/x
  3. Step 3: Cross multiply
    545,536.64x = 752,786.53 × 303,841.67
  4. Step 4: Simplify right side
    545,536.64x = 228,727,911,905.17
  5. Step 5: Solve for x
    x = 228,727,911,905.17/545,536.64
  6. Step 6: Final answer
    x = 419,271.40

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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.