Home / 936,938.42-1,292,975.45-507,218.54

Finding the Fourth Proportional to 936,938.42, 1,292,975.45 and 507,218.54

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Solution

The fourth proportional to 936,938.42, 1,292,975.45 and 507,218.54 is: 699,961.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,938.42 : 1,292,975.45 = 507,218.54 : x
  2. Step 2: Convert to fraction form
    936,938.42/1,292,975.45 = 507,218.54/x
  3. Step 3: Cross multiply
    936,938.42x = 1,292,975.45 × 507,218.54
  4. Step 4: Simplify right side
    936,938.42x = 655,821,120,004.84
  5. Step 5: Solve for x
    x = 655,821,120,004.84/936,938.42
  6. Step 6: Final answer
    x = 699,961.82

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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.