Finding the Fourth Proportional to 721,944.97, 996,295.85 and 395,252.53
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Solution
The fourth proportional to 721,944.97, 996,295.85 and 395,252.53 is: 545,454.95
Step by Step Solution
- Step 1: Write the proportion equation
721,944.97 : 996,295.85 = 395,252.53 : x - Step 2: Convert to fraction form
721,944.97/996,295.85 = 395,252.53/x - Step 3: Cross multiply
721,944.97x = 996,295.85 × 395,252.53 - Step 4: Simplify right side
721,944.97x = 393,788,455,341.00 - Step 5: Solve for x
x = 393,788,455,341.00/721,944.97 - Step 6: Final answer
x = 545,454.95
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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.