Finding the Fourth Proportional to 878,174.84, 1,316,364.96 and 498,293.07
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Solution
The fourth proportional to 878,174.84, 1,316,364.96 and 498,293.07 is: 746,930.46
Step by Step Solution
- Step 1: Write the proportion equation
878,174.84 : 1,316,364.96 = 498,293.07 : x - Step 2: Convert to fraction form
878,174.84/1,316,364.96 = 498,293.07/x - Step 3: Cross multiply
878,174.84x = 1,316,364.96 × 498,293.07 - Step 4: Simplify right side
878,174.84x = 655,935,537,158.83 - Step 5: Solve for x
x = 655,935,537,158.83/878,174.84 - Step 6: Final answer
x = 746,930.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.