Home / 857,376.48-1,285,033.17-317,202.06

Finding the Fourth Proportional to 857,376.48, 1,285,033.17 and 317,202.06

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Solution

The fourth proportional to 857,376.48, 1,285,033.17 and 317,202.06 is: 475,421.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,376.48 : 1,285,033.17 = 317,202.06 : x
  2. Step 2: Convert to fraction form
    857,376.48/1,285,033.17 = 317,202.06/x
  3. Step 3: Cross multiply
    857,376.48x = 1,285,033.17 × 317,202.06
  4. Step 4: Simplify right side
    857,376.48x = 407,615,168,692.33
  5. Step 5: Solve for x
    x = 407,615,168,692.33/857,376.48
  6. Step 6: Final answer
    x = 475,421.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.