Home / 574,721.06-793,139.67-320,072.25

Finding the Fourth Proportional to 574,721.06, 793,139.67 and 320,072.25

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Solution

The fourth proportional to 574,721.06, 793,139.67 and 320,072.25 is: 441,713.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,721.06 : 793,139.67 = 320,072.25 : x
  2. Step 2: Convert to fraction form
    574,721.06/793,139.67 = 320,072.25/x
  3. Step 3: Cross multiply
    574,721.06x = 793,139.67 × 320,072.25
  4. Step 4: Simplify right side
    574,721.06x = 253,861,993,575.19
  5. Step 5: Solve for x
    x = 253,861,993,575.19/574,721.06
  6. Step 6: Final answer
    x = 441,713.40

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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.