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Finding the Fourth Proportional to 545,667.51, 752,921.36 and 303,943.94

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Solution

The fourth proportional to 545,667.51, 752,921.36 and 303,943.94 is: 419,387.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,667.51 : 752,921.36 = 303,943.94 : x
  2. Step 2: Convert to fraction form
    545,667.51/752,921.36 = 303,943.94/x
  3. Step 3: Cross multiply
    545,667.51x = 752,921.36 × 303,943.94
  4. Step 4: Simplify right side
    545,667.51x = 228,845,879,384.23
  5. Step 5: Solve for x
    x = 228,845,879,384.23/545,667.51
  6. Step 6: Final answer
    x = 419,387.04

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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.