Home / 748,275.84-1,122,379.74-274,926.42

Finding the Fourth Proportional to 748,275.84, 1,122,379.74 and 274,926.42

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Solution

The fourth proportional to 748,275.84, 1,122,379.74 and 274,926.42 is: 412,377.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,275.84 : 1,122,379.74 = 274,926.42 : x
  2. Step 2: Convert to fraction form
    748,275.84/1,122,379.74 = 274,926.42/x
  3. Step 3: Cross multiply
    748,275.84x = 1,122,379.74 × 274,926.42
  4. Step 4: Simplify right side
    748,275.84x = 308,571,843,798.73
  5. Step 5: Solve for x
    x = 308,571,843,798.73/748,275.84
  6. Step 6: Final answer
    x = 412,377.13

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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.