Finding the Fourth Proportional to 676,509.98, 932,835.66 and 431,105.99
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Solution
The fourth proportional to 676,509.98, 932,835.66 and 431,105.99 is: 594,449.53
Step by Step Solution
- Step 1: Write the proportion equation
676,509.98 : 932,835.66 = 431,105.99 : x - Step 2: Convert to fraction form
676,509.98/932,835.66 = 431,105.99/x - Step 3: Cross multiply
676,509.98x = 932,835.66 × 431,105.99 - Step 4: Simplify right side
676,509.98x = 402,151,039,931.45 - Step 5: Solve for x
x = 402,151,039,931.45/676,509.98 - Step 6: Final answer
x = 594,449.53
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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.