Finding the Fourth Proportional to 659,917.42, 910,686.02 and 358,111.42
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Solution
The fourth proportional to 659,917.42, 910,686.02 and 358,111.42 is: 494,193.75
Step by Step Solution
- Step 1: Write the proportion equation
659,917.42 : 910,686.02 = 358,111.42 : x - Step 2: Convert to fraction form
659,917.42/910,686.02 = 358,111.42/x - Step 3: Cross multiply
659,917.42x = 910,686.02 × 358,111.42 - Step 4: Simplify right side
659,917.42x = 326,127,063,796.35 - Step 5: Solve for x
x = 326,127,063,796.35/659,917.42 - Step 6: Final answer
x = 494,193.75
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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.