Finding the Fourth Proportional to 1,077,911.02, 1,486,152.42 and 710,330.99
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Solution
The fourth proportional to 1,077,911.02, 1,486,152.42 and 710,330.99 is: 979,357.39
Step by Step Solution
- Step 1: Write the proportion equation
1,077,911.02 : 1,486,152.42 = 710,330.99 : x - Step 2: Convert to fraction form
1,077,911.02/1,486,152.42 = 710,330.99/x - Step 3: Cross multiply
1,077,911.02x = 1,486,152.42 × 710,330.99 - Step 4: Simplify right side
1,077,911.02x = 1,055,660,124,232.21 - Step 5: Solve for x
x = 1,055,660,124,232.21/1,077,911.02 - Step 6: Final answer
x = 979,357.39
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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.