Finding the Fourth Proportional to 913,656.20, 1,370,678.70 and 282,633.80
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Solution
The fourth proportional to 913,656.20, 1,370,678.70 and 282,633.80 is: 424,010.84
Step by Step Solution
- Step 1: Write the proportion equation
913,656.20 : 1,370,678.70 = 282,633.80 : x - Step 2: Convert to fraction form
913,656.20/1,370,678.70 = 282,633.80/x - Step 3: Cross multiply
913,656.20x = 1,370,678.70 × 282,633.80 - Step 4: Simplify right side
913,656.20x = 387,400,129,560.06 - Step 5: Solve for x
x = 387,400,129,560.06/913,656.20 - Step 6: Final answer
x = 424,010.84
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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.