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Finding the Fourth Proportional to 839,674.93, 1,158,751.49 and 457,701.71

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Solution

The fourth proportional to 839,674.93, 1,158,751.49 and 457,701.71 is: 631,628.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,674.93 : 1,158,751.49 = 457,701.71 : x
  2. Step 2: Convert to fraction form
    839,674.93/1,158,751.49 = 457,701.71/x
  3. Step 3: Cross multiply
    839,674.93x = 1,158,751.49 × 457,701.71
  4. Step 4: Simplify right side
    839,674.93x = 530,362,538,438.05
  5. Step 5: Solve for x
    x = 530,362,538,438.05/839,674.93
  6. Step 6: Final answer
    x = 631,628.41

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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.