Finding the Fourth Proportional to 1,328,394.68, 1,992,444.32 and 475,431.83
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Solution
The fourth proportional to 1,328,394.68, 1,992,444.32 and 475,431.83 is: 713,094.88
Step by Step Solution
- Step 1: Write the proportion equation
1,328,394.68 : 1,992,444.32 = 475,431.83 : x - Step 2: Convert to fraction form
1,328,394.68/1,992,444.32 = 475,431.83/x - Step 3: Cross multiply
1,328,394.68x = 1,992,444.32 × 475,431.83 - Step 4: Simplify right side
1,328,394.68x = 947,271,440,457.06 - Step 5: Solve for x
x = 947,271,440,457.06/1,328,394.68 - Step 6: Final answer
x = 713,094.88
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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.