Finding the Fourth Proportional to 908,552.70, 1,362,829.05 and 891,056.70
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Solution
The fourth proportional to 908,552.70, 1,362,829.05 and 891,056.70 is: 1,336,585.05
Step by Step Solution
- Step 1: Write the proportion equation
908,552.70 : 1,362,829.05 = 891,056.70 : x - Step 2: Convert to fraction form
908,552.70/1,362,829.05 = 891,056.70/x - Step 3: Cross multiply
908,552.70x = 1,362,829.05 × 891,056.70 - Step 4: Simplify right side
908,552.70x = 1,214,357,955,957.14 - Step 5: Solve for x
x = 1,214,357,955,957.14/908,552.70 - Step 6: Final answer
x = 1,336,585.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.