Finding the Fourth Proportional to 742,814.84, 1,025,084.46 and 403,283.12
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Solution
The fourth proportional to 742,814.84, 1,025,084.46 and 403,283.12 is: 556,530.70
Step by Step Solution
- Step 1: Write the proportion equation
742,814.84 : 1,025,084.46 = 403,283.12 : x - Step 2: Convert to fraction form
742,814.84/1,025,084.46 = 403,283.12/x - Step 3: Cross multiply
742,814.84x = 1,025,084.46 × 403,283.12 - Step 4: Simplify right side
742,814.84x = 413,399,259,292.32 - Step 5: Solve for x
x = 413,399,259,292.32/742,814.84 - Step 6: Final answer
x = 556,530.70
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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.