Home / 909,205.41-1,254,242.55-693,971.82

Finding the Fourth Proportional to 909,205.41, 1,254,242.55 and 693,971.82

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Solution

The fourth proportional to 909,205.41, 1,254,242.55 and 693,971.82 is: 957,329.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,205.41 : 1,254,242.55 = 693,971.82 : x
  2. Step 2: Convert to fraction form
    909,205.41/1,254,242.55 = 693,971.82/x
  3. Step 3: Cross multiply
    909,205.41x = 1,254,242.55 × 693,971.82
  4. Step 4: Simplify right side
    909,205.41x = 870,408,985,144.94
  5. Step 5: Solve for x
    x = 870,408,985,144.94/909,205.41
  6. Step 6: Final answer
    x = 957,329.31

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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.