Finding the Fourth Proportional to 877,696.08, 1,211,213.58 and 475,288.08
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Solution
The fourth proportional to 877,696.08, 1,211,213.58 and 475,288.08 is: 655,893.75
Step by Step Solution
- Step 1: Write the proportion equation
877,696.08 : 1,211,213.58 = 475,288.08 : x - Step 2: Convert to fraction form
877,696.08/1,211,213.58 = 475,288.08/x - Step 3: Cross multiply
877,696.08x = 1,211,213.58 × 475,288.08 - Step 4: Simplify right side
877,696.08x = 575,675,376,908.13 - Step 5: Solve for x
x = 575,675,376,908.13/877,696.08 - Step 6: Final answer
x = 655,893.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.