Home / 936,938.56-1,292,975.64-507,218.69

Finding the Fourth Proportional to 936,938.56, 1,292,975.64 and 507,218.69

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Solution

The fourth proportional to 936,938.56, 1,292,975.64 and 507,218.69 is: 699,962.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,938.56 : 1,292,975.64 = 507,218.69 : x
  2. Step 2: Convert to fraction form
    936,938.56/1,292,975.64 = 507,218.69/x
  3. Step 3: Cross multiply
    936,938.56x = 1,292,975.64 × 507,218.69
  4. Step 4: Simplify right side
    936,938.56x = 655,821,410,322.71
  5. Step 5: Solve for x
    x = 655,821,410,322.71/936,938.56
  6. Step 6: Final answer
    x = 699,962.02

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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.