Finding the Fourth Proportional to 693,479.08, 1,040,332.47 and 213,706.96
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Solution
The fourth proportional to 693,479.08, 1,040,332.47 and 213,706.96 is: 320,595.52
Step by Step Solution
- Step 1: Write the proportion equation
693,479.08 : 1,040,332.47 = 213,706.96 : x - Step 2: Convert to fraction form
693,479.08/1,040,332.47 = 213,706.96/x - Step 3: Cross multiply
693,479.08x = 1,040,332.47 × 213,706.96 - Step 4: Simplify right side
693,479.08x = 222,326,283,282.79 - Step 5: Solve for x
x = 222,326,283,282.79/693,479.08 - Step 6: Final answer
x = 320,595.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.