Finding the Fourth Proportional to 894,843.95, 1,234,884.84 and 492,435.95
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Solution
The fourth proportional to 894,843.95, 1,234,884.84 and 492,435.95 is: 679,561.71
Step by Step Solution
- Step 1: Write the proportion equation
894,843.95 : 1,234,884.84 = 492,435.95 : x - Step 2: Convert to fraction form
894,843.95/1,234,884.84 = 492,435.95/x - Step 3: Cross multiply
894,843.95x = 1,234,884.84 × 492,435.95 - Step 4: Simplify right side
894,843.95x = 608,101,683,151.57 - Step 5: Solve for x
x = 608,101,683,151.57/894,843.95 - Step 6: Final answer
x = 679,561.71
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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.