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Finding the Fourth Proportional to 545,550.32, 752,829.80 and 300,487.39

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Solution

The fourth proportional to 545,550.32, 752,829.80 and 300,487.39 is: 414,656.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,550.32 : 752,829.80 = 300,487.39 : x
  2. Step 2: Convert to fraction form
    545,550.32/752,829.80 = 300,487.39/x
  3. Step 3: Cross multiply
    545,550.32x = 752,829.80 × 300,487.39
  4. Step 4: Simplify right side
    545,550.32x = 226,215,858,331.71
  5. Step 5: Solve for x
    x = 226,215,858,331.71/545,550.32
  6. Step 6: Final answer
    x = 414,656.26

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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.