Finding the Fourth Proportional to 913,420.20, 1,370,324.70 and 282,397.80
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Solution
The fourth proportional to 913,420.20, 1,370,324.70 and 282,397.80 is: 423,656.80
Step by Step Solution
- Step 1: Write the proportion equation
913,420.20 : 1,370,324.70 = 282,397.80 : x - Step 2: Convert to fraction form
913,420.20/1,370,324.70 = 282,397.80/x - Step 3: Cross multiply
913,420.20x = 1,370,324.70 × 282,397.80 - Step 4: Simplify right side
913,420.20x = 386,976,680,565.66 - Step 5: Solve for x
x = 386,976,680,565.66/913,420.20 - Step 6: Final answer
x = 423,656.80
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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.