Home / 735,403.38-1,103,160.96-285,931.14

Finding the Fourth Proportional to 735,403.38, 1,103,160.96 and 285,931.14

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Solution

The fourth proportional to 735,403.38, 1,103,160.96 and 285,931.14 is: 428,918.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,403.38 : 1,103,160.96 = 285,931.14 : x
  2. Step 2: Convert to fraction form
    735,403.38/1,103,160.96 = 285,931.14/x
  3. Step 3: Cross multiply
    735,403.38x = 1,103,160.96 × 285,931.14
  4. Step 4: Simplify right side
    735,403.38x = 315,428,066,759.44
  5. Step 5: Solve for x
    x = 315,428,066,759.44/735,403.38
  6. Step 6: Final answer
    x = 428,918.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.