Home / 839,639.07-1,158,713.42-457,665.03

Finding the Fourth Proportional to 839,639.07, 1,158,713.42 and 457,665.03

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Solution

The fourth proportional to 839,639.07, 1,158,713.42 and 457,665.03 is: 631,584.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,639.07 : 1,158,713.42 = 457,665.03 : x
  2. Step 2: Convert to fraction form
    839,639.07/1,158,713.42 = 457,665.03/x
  3. Step 3: Cross multiply
    839,639.07x = 1,158,713.42 × 457,665.03
  4. Step 4: Simplify right side
    839,639.07x = 530,302,607,476.30
  5. Step 5: Solve for x
    x = 530,302,607,476.30/839,639.07
  6. Step 6: Final answer
    x = 631,584.01

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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.