Finding the Fourth Proportional to 653,395.86, 901,686.36 and 366,916.14
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Solution
The fourth proportional to 653,395.86, 901,686.36 and 366,916.14 is: 506,344.31
Step by Step Solution
- Step 1: Write the proportion equation
653,395.86 : 901,686.36 = 366,916.14 : x - Step 2: Convert to fraction form
653,395.86/901,686.36 = 366,916.14/x - Step 3: Cross multiply
653,395.86x = 901,686.36 × 366,916.14 - Step 4: Simplify right side
653,395.86x = 330,843,278,701.85 - Step 5: Solve for x
x = 330,843,278,701.85/653,395.86 - Step 6: Final answer
x = 506,344.31
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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.