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Finding the Fourth Proportional to 545,688.69, 752,950.46 and 303,965.25

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Solution

The fourth proportional to 545,688.69, 752,950.46 and 303,965.25 is: 419,416.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,688.69 : 752,950.46 = 303,965.25 : x
  2. Step 2: Convert to fraction form
    545,688.69/752,950.46 = 303,965.25/x
  3. Step 3: Cross multiply
    545,688.69x = 752,950.46 × 303,965.25
  4. Step 4: Simplify right side
    545,688.69x = 228,870,773,291.69
  5. Step 5: Solve for x
    x = 228,870,773,291.69/545,688.69
  6. Step 6: Final answer
    x = 419,416.38

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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.