Home / 770,538.66-1,063,605.87-448,519.38

Finding the Fourth Proportional to 770,538.66, 1,063,605.87 and 448,519.38

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Solution

The fourth proportional to 770,538.66, 1,063,605.87 and 448,519.38 is: 619,109.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,538.66 : 1,063,605.87 = 448,519.38 : x
  2. Step 2: Convert to fraction form
    770,538.66/1,063,605.87 = 448,519.38/x
  3. Step 3: Cross multiply
    770,538.66x = 1,063,605.87 × 448,519.38
  4. Step 4: Simplify right side
    770,538.66x = 477,047,845,376.76
  5. Step 5: Solve for x
    x = 477,047,845,376.76/770,538.66
  6. Step 6: Final answer
    x = 619,109.55

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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.