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Finding the Fourth Proportional to 545,220.94, 752,426.94 and 303,488.14

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Solution

The fourth proportional to 545,220.94, 752,426.94 and 303,488.14 is: 418,825.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,220.94 : 752,426.94 = 303,488.14 : x
  2. Step 2: Convert to fraction form
    545,220.94/752,426.94 = 303,488.14/x
  3. Step 3: Cross multiply
    545,220.94x = 752,426.94 × 303,488.14
  4. Step 4: Simplify right side
    545,220.94x = 228,352,652,506.49
  5. Step 5: Solve for x
    x = 228,352,652,506.49/545,220.94
  6. Step 6: Final answer
    x = 418,825.90

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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.