Home / 909,078.75-1,363,815-348,113.25

Finding the Fourth Proportional to 909,078.75, 1,363,815 and 348,113.25

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Solution

The fourth proportional to 909,078.75, 1,363,815 and 348,113.25 is: 522,245.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,078.75 : 1,363,815 = 348,113.25 : x
  2. Step 2: Convert to fraction form
    909,078.75/1,363,815 = 348,113.25/x
  3. Step 3: Cross multiply
    909,078.75x = 1,363,815 × 348,113.25
  4. Step 4: Simplify right side
    909,078.75x = 474,762,072,048.75
  5. Step 5: Solve for x
    x = 474,762,072,048.75/909,078.75
  6. Step 6: Final answer
    x = 522,245.26

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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.