Finding the Fourth Proportional to 627,875.99, 866,479.70 and 341,398.01
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Solution
The fourth proportional to 627,875.99, 866,479.70 and 341,398.01 is: 471,135.14
Step by Step Solution
- Step 1: Write the proportion equation
627,875.99 : 866,479.70 = 341,398.01 : x - Step 2: Convert to fraction form
627,875.99/866,479.70 = 341,398.01/x - Step 3: Cross multiply
627,875.99x = 866,479.70 × 341,398.01 - Step 4: Simplify right side
627,875.99x = 295,814,443,578.41 - Step 5: Solve for x
x = 295,814,443,578.41/627,875.99 - Step 6: Final answer
x = 471,135.14
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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.