Finding the Fourth Proportional to 771,917.22, 1,063,915.80 and 513,331.95
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Solution
The fourth proportional to 771,917.22, 1,063,915.80 and 513,331.95 is: 707,513.65
Step by Step Solution
- Step 1: Write the proportion equation
771,917.22 : 1,063,915.80 = 513,331.95 : x - Step 2: Convert to fraction form
771,917.22/1,063,915.80 = 513,331.95/x - Step 3: Cross multiply
771,917.22x = 1,063,915.80 × 513,331.95 - Step 4: Simplify right side
771,917.22x = 546,141,972,249.81 - Step 5: Solve for x
x = 546,141,972,249.81/771,917.22 - Step 6: Final answer
x = 707,513.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.