Finding the Fourth Proportional to 898,805.36, 1,348,235.64 and 393,106.16
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Solution
The fourth proportional to 898,805.36, 1,348,235.64 and 393,106.16 is: 589,671.31
Step by Step Solution
- Step 1: Write the proportion equation
898,805.36 : 1,348,235.64 = 393,106.16 : x - Step 2: Convert to fraction form
898,805.36/1,348,235.64 = 393,106.16/x - Step 3: Cross multiply
898,805.36x = 1,348,235.64 × 393,106.16 - Step 4: Simplify right side
898,805.36x = 529,999,735,215.54 - Step 5: Solve for x
x = 529,999,735,215.54/898,805.36 - Step 6: Final answer
x = 589,671.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.