Finding the Fourth Proportional to 961,476.86, 1,326,831.36 and 531,741.08
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Solution
The fourth proportional to 961,476.86, 1,326,831.36 and 531,741.08 is: 733,798.98
Step by Step Solution
- Step 1: Write the proportion equation
961,476.86 : 1,326,831.36 = 531,741.08 : x - Step 2: Convert to fraction form
961,476.86/1,326,831.36 = 531,741.08/x - Step 3: Cross multiply
961,476.86x = 1,326,831.36 × 531,741.08 - Step 4: Simplify right side
961,476.86x = 705,530,740,344.27 - Step 5: Solve for x
x = 705,530,740,344.27/961,476.86 - Step 6: Final answer
x = 733,798.98
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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.