Finding the Fourth Proportional to 993,132, 1,370,543.76 and 540,423.36
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Solution
The fourth proportional to 993,132, 1,370,543.76 and 540,423.36 is: 745,795.99
Step by Step Solution
- Step 1: Write the proportion equation
993,132 : 1,370,543.76 = 540,423.36 : x - Step 2: Convert to fraction form
993,132/1,370,543.76 = 540,423.36/x - Step 3: Cross multiply
993,132x = 1,370,543.76 × 540,423.36 - Step 4: Simplify right side
993,132x = 740,673,863,806.23 - Step 5: Solve for x
x = 740,673,863,806.23/993,132 - Step 6: Final answer
x = 745,795.99
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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.