Home / 909,349.66-1,254,974.07-501,488.74

Finding the Fourth Proportional to 909,349.66, 1,254,974.07 and 501,488.74

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Solution

The fourth proportional to 909,349.66, 1,254,974.07 and 501,488.74 is: 692,093.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,349.66 : 1,254,974.07 = 501,488.74 : x
  2. Step 2: Convert to fraction form
    909,349.66/1,254,974.07 = 501,488.74/x
  3. Step 3: Cross multiply
    909,349.66x = 1,254,974.07 × 501,488.74
  4. Step 4: Simplify right side
    909,349.66x = 629,355,365,096.97
  5. Step 5: Solve for x
    x = 629,355,365,096.97/909,349.66
  6. Step 6: Final answer
    x = 692,093.91

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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.