Home / 936,938.08-1,292,974.96-507,218.16

Finding the Fourth Proportional to 936,938.08, 1,292,974.96 and 507,218.16

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Solution

The fourth proportional to 936,938.08, 1,292,974.96 and 507,218.16 is: 699,961.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,938.08 : 1,292,974.96 = 507,218.16 : x
  2. Step 2: Convert to fraction form
    936,938.08/1,292,974.96 = 507,218.16/x
  3. Step 3: Cross multiply
    936,938.08x = 1,292,974.96 × 507,218.16
  4. Step 4: Simplify right side
    936,938.08x = 655,820,380,137.27
  5. Step 5: Solve for x
    x = 655,820,380,137.27/936,938.08
  6. Step 6: Final answer
    x = 699,961.28

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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.