Finding the Fourth Proportional to 807,487.55, 1,211,403.55 and 402,897.31
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Solution
The fourth proportional to 807,487.55, 1,211,403.55 and 402,897.31 is: 604,431.89
Step by Step Solution
- Step 1: Write the proportion equation
807,487.55 : 1,211,403.55 = 402,897.31 : x - Step 2: Convert to fraction form
807,487.55/1,211,403.55 = 402,897.31/x - Step 3: Cross multiply
807,487.55x = 1,211,403.55 × 402,897.31 - Step 4: Simplify right side
807,487.55x = 488,071,228,339.13 - Step 5: Solve for x
x = 488,071,228,339.13/807,487.55 - Step 6: Final answer
x = 604,431.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.