Finding the Fourth Proportional to 644,130.36, 961,857.99 and 526,035.96
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Solution
The fourth proportional to 644,130.36, 961,857.99 and 526,035.96 is: 785,511.63
Step by Step Solution
- Step 1: Write the proportion equation
644,130.36 : 961,857.99 = 526,035.96 : x - Step 2: Convert to fraction form
644,130.36/961,857.99 = 526,035.96/x - Step 3: Cross multiply
644,130.36x = 961,857.99 × 526,035.96 - Step 4: Simplify right side
644,130.36x = 505,971,891,153.32 - Step 5: Solve for x
x = 505,971,891,153.32/644,130.36 - Step 6: Final answer
x = 785,511.63
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.