Finding the Fourth Proportional to 801,946.49, 1,106,686.12 and 439,384.10
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Solution
The fourth proportional to 801,946.49, 1,106,686.12 and 439,384.10 is: 606,350.03
Step by Step Solution
- Step 1: Write the proportion equation
801,946.49 : 1,106,686.12 = 439,384.10 : x - Step 2: Convert to fraction form
801,946.49/1,106,686.12 = 439,384.10/x - Step 3: Cross multiply
801,946.49x = 1,106,686.12 × 439,384.10 - Step 4: Simplify right side
801,946.49x = 486,260,278,186.80 - Step 5: Solve for x
x = 486,260,278,186.80/801,946.49 - Step 6: Final answer
x = 606,350.03
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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.