Finding the Fourth Proportional to 912,640.24, 1,360,740.42 and 836,762.72
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Solution
The fourth proportional to 912,640.24, 1,360,740.42 and 836,762.72 is: 1,247,607.55
Step by Step Solution
- Step 1: Write the proportion equation
912,640.24 : 1,360,740.42 = 836,762.72 : x - Step 2: Convert to fraction form
912,640.24/1,360,740.42 = 836,762.72/x - Step 3: Cross multiply
912,640.24x = 1,360,740.42 × 836,762.72 - Step 4: Simplify right side
912,640.24x = 1,138,616,855,053.14 - Step 5: Solve for x
x = 1,138,616,855,053.14/912,640.24 - Step 6: Final answer
x = 1,247,607.55
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.