Finding the Fourth Proportional to 1,403,691.66, 2,105,537.70 and 338,733.74
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Solution
The fourth proportional to 1,403,691.66, 2,105,537.70 and 338,733.74 is: 508,100.65
Step by Step Solution
- Step 1: Write the proportion equation
1,403,691.66 : 2,105,537.70 = 338,733.74 : x - Step 2: Convert to fraction form
1,403,691.66/2,105,537.70 = 338,733.74/x - Step 3: Cross multiply
1,403,691.66x = 2,105,537.70 × 338,733.74 - Step 4: Simplify right side
1,403,691.66x = 713,216,649,304.31 - Step 5: Solve for x
x = 713,216,649,304.31/1,403,691.66 - Step 6: Final answer
x = 508,100.65
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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.