Home / 672,316.25-1,008,772.19-352,392.09

Finding the Fourth Proportional to 672,316.25, 1,008,772.19 and 352,392.09

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Solution

The fourth proportional to 672,316.25, 1,008,772.19 and 352,392.09 is: 528,744.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,316.25 : 1,008,772.19 = 352,392.09 : x
  2. Step 2: Convert to fraction form
    672,316.25/1,008,772.19 = 352,392.09/x
  3. Step 3: Cross multiply
    672,316.25x = 1,008,772.19 × 352,392.09
  4. Step 4: Simplify right side
    672,316.25x = 355,483,338,606.02
  5. Step 5: Solve for x
    x = 355,483,338,606.02/672,316.25
  6. Step 6: Final answer
    x = 528,744.23

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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.