Home / 853,365.70-1,279,619.98-284,545.43

Finding the Fourth Proportional to 853,365.70, 1,279,619.98 and 284,545.43

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Solution

The fourth proportional to 853,365.70, 1,279,619.98 and 284,545.43 is: 426,675.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,365.70 : 1,279,619.98 = 284,545.43 : x
  2. Step 2: Convert to fraction form
    853,365.70/1,279,619.98 = 284,545.43/x
  3. Step 3: Cross multiply
    853,365.70x = 1,279,619.98 × 284,545.43
  4. Step 4: Simplify right side
    853,365.70x = 364,110,010,336.23
  5. Step 5: Solve for x
    x = 364,110,010,336.23/853,365.70
  6. Step 6: Final answer
    x = 426,675.24

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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.