Finding the Fourth Proportional to 465,830.64, 642,860.28 and 284,572.08
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Solution
The fourth proportional to 465,830.64, 642,860.28 and 284,572.08 is: 392,718.02
Step by Step Solution
- Step 1: Write the proportion equation
465,830.64 : 642,860.28 = 284,572.08 : x - Step 2: Convert to fraction form
465,830.64/642,860.28 = 284,572.08/x - Step 3: Cross multiply
465,830.64x = 642,860.28 × 284,572.08 - Step 4: Simplify right side
465,830.64x = 182,940,087,028.98 - Step 5: Solve for x
x = 182,940,087,028.98/465,830.64 - Step 6: Final answer
x = 392,718.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.