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Finding the Fourth Proportional to 545,277.32, 752,372.75 and 330,292.49

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Solution

The fourth proportional to 545,277.32, 752,372.75 and 330,292.49 is: 455,737.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,277.32 : 752,372.75 = 330,292.49 : x
  2. Step 2: Convert to fraction form
    545,277.32/752,372.75 = 330,292.49/x
  3. Step 3: Cross multiply
    545,277.32x = 752,372.75 × 330,292.49
  4. Step 4: Simplify right side
    545,277.32x = 248,503,066,069.52
  5. Step 5: Solve for x
    x = 248,503,066,069.52/545,277.32
  6. Step 6: Final answer
    x = 455,737.03

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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.