Finding the Fourth Proportional to 840,701.24, 1,160,193.27 and 478,177.23
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Solution
The fourth proportional to 840,701.24, 1,160,193.27 and 478,177.23 is: 659,899.11
Step by Step Solution
- Step 1: Write the proportion equation
840,701.24 : 1,160,193.27 = 478,177.23 : x - Step 2: Convert to fraction form
840,701.24/1,160,193.27 = 478,177.23/x - Step 3: Cross multiply
840,701.24x = 1,160,193.27 × 478,177.23 - Step 4: Simplify right side
840,701.24x = 554,778,004,113.24 - Step 5: Solve for x
x = 554,778,004,113.24/840,701.24 - Step 6: Final answer
x = 659,899.11
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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.