Finding the Fourth Proportional to 888,424.68, 1,226,055.06 and 486,016.68
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Solution
The fourth proportional to 888,424.68, 1,226,055.06 and 486,016.68 is: 670,718.88
Step by Step Solution
- Step 1: Write the proportion equation
888,424.68 : 1,226,055.06 = 486,016.68 : x - Step 2: Convert to fraction form
888,424.68/1,226,055.06 = 486,016.68/x - Step 3: Cross multiply
888,424.68x = 1,226,055.06 × 486,016.68 - Step 4: Simplify right side
888,424.68x = 595,883,209,758.40 - Step 5: Solve for x
x = 595,883,209,758.40/888,424.68 - Step 6: Final answer
x = 670,718.88
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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.