Finding the Fourth Proportional to 454,602.71, 627,121.28 and 346,985.91
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Solution
The fourth proportional to 454,602.71, 627,121.28 and 346,985.91 is: 478,664.65
Step by Step Solution
- Step 1: Write the proportion equation
454,602.71 : 627,121.28 = 346,985.91 : x - Step 2: Convert to fraction form
454,602.71/627,121.28 = 346,985.91/x - Step 3: Cross multiply
454,602.71x = 627,121.28 × 346,985.91 - Step 4: Simplify right side
454,602.71x = 217,602,246,286.24 - Step 5: Solve for x
x = 217,602,246,286.24/454,602.71 - Step 6: Final answer
x = 478,664.65
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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.