Finding the Fourth Proportional to 838,463.36, 1,257,982.05 and 358,493.40
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Solution
The fourth proportional to 838,463.36, 1,257,982.05 and 358,493.40 is: 537,862.82
Step by Step Solution
- Step 1: Write the proportion equation
838,463.36 : 1,257,982.05 = 358,493.40 : x - Step 2: Convert to fraction form
838,463.36/1,257,982.05 = 358,493.40/x - Step 3: Cross multiply
838,463.36x = 1,257,982.05 × 358,493.40 - Step 4: Simplify right side
838,463.36x = 450,978,262,243.47 - Step 5: Solve for x
x = 450,978,262,243.47/838,463.36 - Step 6: Final answer
x = 537,862.82
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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.