Finding the Fourth Proportional to 742,983.75, 1,025,330.33 and 403,452
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Solution
The fourth proportional to 742,983.75, 1,025,330.33 and 403,452 is: 556,770.69
Step by Step Solution
- Step 1: Write the proportion equation
742,983.75 : 1,025,330.33 = 403,452 : x - Step 2: Convert to fraction form
742,983.75/1,025,330.33 = 403,452/x - Step 3: Cross multiply
742,983.75x = 1,025,330.33 × 403,452 - Step 4: Simplify right side
742,983.75x = 413,671,573,307.79 - Step 5: Solve for x
x = 413,671,573,307.79/742,983.75 - Step 6: Final answer
x = 556,770.69
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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.