Finding the Fourth Proportional to 888,423.68, 1,226,053.68 and 486,015.68
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Solution
The fourth proportional to 888,423.68, 1,226,053.68 and 486,015.68 is: 670,717.50
Step by Step Solution
- Step 1: Write the proportion equation
888,423.68 : 1,226,053.68 = 486,015.68 : x - Step 2: Convert to fraction form
888,423.68/1,226,053.68 = 486,015.68/x - Step 3: Cross multiply
888,423.68x = 1,226,053.68 × 486,015.68 - Step 4: Simplify right side
888,423.68x = 595,881,313,001.70 - Step 5: Solve for x
x = 595,881,313,001.70/888,423.68 - Step 6: Final answer
x = 670,717.50
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1.5x scale
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.