Finding the Fourth Proportional to 875,683.41, 1,208,415.67 and 513,348.58
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Solution
The fourth proportional to 875,683.41, 1,208,415.67 and 513,348.58 is: 708,404.96
Step by Step Solution
- Step 1: Write the proportion equation
875,683.41 : 1,208,415.67 = 513,348.58 : x - Step 2: Convert to fraction form
875,683.41/1,208,415.67 = 513,348.58/x - Step 3: Cross multiply
875,683.41x = 1,208,415.67 × 513,348.58 - Step 4: Simplify right side
875,683.41x = 620,338,468,244.25 - Step 5: Solve for x
x = 620,338,468,244.25/875,683.41 - Step 6: Final answer
x = 708,404.96
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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.