Home / 500,327.10-690,451.53-270,884.34

Finding the Fourth Proportional to 500,327.10, 690,451.53 and 270,884.34

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Solution

The fourth proportional to 500,327.10, 690,451.53 and 270,884.34 is: 373,820.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,327.10 : 690,451.53 = 270,884.34 : x
  2. Step 2: Convert to fraction form
    500,327.10/690,451.53 = 270,884.34/x
  3. Step 3: Cross multiply
    500,327.10x = 690,451.53 × 270,884.34
  4. Step 4: Simplify right side
    500,327.10x = 187,032,507,006.04
  5. Step 5: Solve for x
    x = 187,032,507,006.04/500,327.10
  6. Step 6: Final answer
    x = 373,820.46

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1.5x scale

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.