Home / 912,485.87-1,259,238.65-504,615.16

Finding the Fourth Proportional to 912,485.87, 1,259,238.65 and 504,615.16

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Solution

The fourth proportional to 912,485.87, 1,259,238.65 and 504,615.16 is: 696,373.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,485.87 : 1,259,238.65 = 504,615.16 : x
  2. Step 2: Convert to fraction form
    912,485.87/1,259,238.65 = 504,615.16/x
  3. Step 3: Cross multiply
    912,485.87x = 1,259,238.65 × 504,615.16
  4. Step 4: Simplify right side
    912,485.87x = 635,430,907,176.76
  5. Step 5: Solve for x
    x = 635,430,907,176.76/912,485.87
  6. Step 6: Final answer
    x = 696,373.43

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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.