Home / 839,667.81-1,158,741.61-457,694.59

Finding the Fourth Proportional to 839,667.81, 1,158,741.61 and 457,694.59

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Solution

The fourth proportional to 839,667.81, 1,158,741.61 and 457,694.59 is: 631,618.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,667.81 : 1,158,741.61 = 457,694.59 : x
  2. Step 2: Convert to fraction form
    839,667.81/1,158,741.61 = 457,694.59/x
  3. Step 3: Cross multiply
    839,667.81x = 1,158,741.61 × 457,694.59
  4. Step 4: Simplify right side
    839,667.81x = 530,349,760,311.18
  5. Step 5: Solve for x
    x = 530,349,760,311.18/839,667.81
  6. Step 6: Final answer
    x = 631,618.54

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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.