Home / 790,798.53-1,091,299.99-428,222.38

Finding the Fourth Proportional to 790,798.53, 1,091,299.99 and 428,222.38

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Solution

The fourth proportional to 790,798.53, 1,091,299.99 and 428,222.38 is: 590,945.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,798.53 : 1,091,299.99 = 428,222.38 : x
  2. Step 2: Convert to fraction form
    790,798.53/1,091,299.99 = 428,222.38/x
  3. Step 3: Cross multiply
    790,798.53x = 1,091,299.99 × 428,222.38
  4. Step 4: Simplify right side
    790,798.53x = 467,319,078,062.08
  5. Step 5: Solve for x
    x = 467,319,078,062.08/790,798.53
  6. Step 6: Final answer
    x = 590,945.81

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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.