Home / 909,007.80-1,363,670.10-376,236.60

Finding the Fourth Proportional to 909,007.80, 1,363,670.10 and 376,236.60

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Solution

The fourth proportional to 909,007.80, 1,363,670.10 and 376,236.60 is: 564,420.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,007.80 : 1,363,670.10 = 376,236.60 : x
  2. Step 2: Convert to fraction form
    909,007.80/1,363,670.10 = 376,236.60/x
  3. Step 3: Cross multiply
    909,007.80x = 1,363,670.10 × 376,236.60
  4. Step 4: Simplify right side
    909,007.80x = 513,062,601,945.66
  5. Step 5: Solve for x
    x = 513,062,601,945.66/909,007.80
  6. Step 6: Final answer
    x = 564,420.46

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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.