Finding the Fourth Proportional to 707,503.68, 976,345.92 and 385,210.08
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Solution
The fourth proportional to 707,503.68, 976,345.92 and 385,210.08 is: 531,584.92
Step by Step Solution
- Step 1: Write the proportion equation
707,503.68 : 976,345.92 = 385,210.08 : x - Step 2: Convert to fraction form
707,503.68/976,345.92 = 385,210.08/x - Step 3: Cross multiply
707,503.68x = 976,345.92 × 385,210.08 - Step 4: Simplify right side
707,503.68x = 376,098,289,950.87 - Step 5: Solve for x
x = 376,098,289,950.87/707,503.68 - Step 6: Final answer
x = 531,584.92
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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.