Home / 790,597.72-1,091,025.24-428,021.64

Finding the Fourth Proportional to 790,597.72, 1,091,025.24 and 428,021.64

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Solution

The fourth proportional to 790,597.72, 1,091,025.24 and 428,021.64 is: 590,670.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,597.72 : 1,091,025.24 = 428,021.64 : x
  2. Step 2: Convert to fraction form
    790,597.72/1,091,025.24 = 428,021.64/x
  3. Step 3: Cross multiply
    790,597.72x = 1,091,025.24 × 428,021.64
  4. Step 4: Simplify right side
    790,597.72x = 466,982,412,506.19
  5. Step 5: Solve for x
    x = 466,982,412,506.19/790,597.72
  6. Step 6: Final answer
    x = 590,670.07

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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.