Finding the Fourth Proportional to 832,940.24, 1,248,102.12 and 643,863.92
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Solution
The fourth proportional to 832,940.24, 1,248,102.12 and 643,863.92 is: 964,784.61
Step by Step Solution
- Step 1: Write the proportion equation
832,940.24 : 1,248,102.12 = 643,863.92 : x - Step 2: Convert to fraction form
832,940.24/1,248,102.12 = 643,863.92/x - Step 3: Cross multiply
832,940.24x = 1,248,102.12 × 643,863.92 - Step 4: Simplify right side
832,940.24x = 803,607,923,543.51 - Step 5: Solve for x
x = 803,607,923,543.51/832,940.24 - Step 6: Final answer
x = 964,784.61
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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.