Home / 756,495.32-1,135,087.40-283,217.52

Finding the Fourth Proportional to 756,495.32, 1,135,087.40 and 283,217.52

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Solution

The fourth proportional to 756,495.32, 1,135,087.40 and 283,217.52 is: 424,955.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,495.32 : 1,135,087.40 = 283,217.52 : x
  2. Step 2: Convert to fraction form
    756,495.32/1,135,087.40 = 283,217.52/x
  3. Step 3: Cross multiply
    756,495.32x = 1,135,087.40 × 283,217.52
  4. Step 4: Simplify right side
    756,495.32x = 321,476,638,411.25
  5. Step 5: Solve for x
    x = 321,476,638,411.25/756,495.32
  6. Step 6: Final answer
    x = 424,955.22

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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.