Home / 909,074.49-1,254,499.72-501,166.90

Finding the Fourth Proportional to 909,074.49, 1,254,499.72 and 501,166.90

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Solution

The fourth proportional to 909,074.49, 1,254,499.72 and 501,166.90 is: 691,597.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,074.49 : 1,254,499.72 = 501,166.90 : x
  2. Step 2: Convert to fraction form
    909,074.49/1,254,499.72 = 501,166.90/x
  3. Step 3: Cross multiply
    909,074.49x = 1,254,499.72 × 501,166.90
  4. Step 4: Simplify right side
    909,074.49x = 628,713,735,723.27
  5. Step 5: Solve for x
    x = 628,713,735,723.27/909,074.49
  6. Step 6: Final answer
    x = 691,597.60

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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.