Finding the Fourth Proportional to 585,749.98, 877,621.95 and 319,697.17
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Solution
The fourth proportional to 585,749.98, 877,621.95 and 319,697.17 is: 478,998.32
Step by Step Solution
- Step 1: Write the proportion equation
585,749.98 : 877,621.95 = 319,697.17 : x - Step 2: Convert to fraction form
585,749.98/877,621.95 = 319,697.17/x - Step 3: Cross multiply
585,749.98x = 877,621.95 × 319,697.17 - Step 4: Simplify right side
585,749.98x = 280,573,253,744.88 - Step 5: Solve for x
x = 280,573,253,744.88/585,749.98 - Step 6: Final answer
x = 478,998.32
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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.