Home / 909,886.87-1,255,600.05-496,399.03

Finding the Fourth Proportional to 909,886.87, 1,255,600.05 and 496,399.03

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Solution

The fourth proportional to 909,886.87, 1,255,600.05 and 496,399.03 is: 685,006.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,886.87 : 1,255,600.05 = 496,399.03 : x
  2. Step 2: Convert to fraction form
    909,886.87/1,255,600.05 = 496,399.03/x
  3. Step 3: Cross multiply
    909,886.87x = 1,255,600.05 × 496,399.03
  4. Step 4: Simplify right side
    909,886.87x = 623,278,646,887.95
  5. Step 5: Solve for x
    x = 623,278,646,887.95/909,886.87
  6. Step 6: Final answer
    x = 685,006.75

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.