Home / 839,638.50-1,158,683.91-457,661.94

Finding the Fourth Proportional to 839,638.50, 1,158,683.91 and 457,661.94

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Solution

The fourth proportional to 839,638.50, 1,158,683.91 and 457,661.94 is: 631,564.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,638.50 : 1,158,683.91 = 457,661.94 : x
  2. Step 2: Convert to fraction form
    839,638.50/1,158,683.91 = 457,661.94/x
  3. Step 3: Cross multiply
    839,638.50x = 1,158,683.91 × 457,661.94
  4. Step 4: Simplify right side
    839,638.50x = 530,285,526,097.39
  5. Step 5: Solve for x
    x = 530,285,526,097.39/839,638.50
  6. Step 6: Final answer
    x = 631,564.09

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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.