Finding the Fourth Proportional to 808,788.84, 1,213,188.18 and 359,404.08
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Solution
The fourth proportional to 808,788.84, 1,213,188.18 and 359,404.08 is: 539,108.31
Step by Step Solution
- Step 1: Write the proportion equation
808,788.84 : 1,213,188.18 = 359,404.08 : x - Step 2: Convert to fraction form
808,788.84/1,213,188.18 = 359,404.08/x - Step 3: Cross multiply
808,788.84x = 1,213,188.18 × 359,404.08 - Step 4: Simplify right side
808,788.84x = 436,024,781,699.77 - Step 5: Solve for x
x = 436,024,781,699.77/808,788.84 - Step 6: Final answer
x = 539,108.31
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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.