Finding the Fourth Proportional to 663,258.62, 915,037.08 and 408,166.94
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Solution
The fourth proportional to 663,258.62, 915,037.08 and 408,166.94 is: 563,110.49
Step by Step Solution
- Step 1: Write the proportion equation
663,258.62 : 915,037.08 = 408,166.94 : x - Step 2: Convert to fraction form
663,258.62/915,037.08 = 408,166.94/x - Step 3: Cross multiply
663,258.62x = 915,037.08 × 408,166.94 - Step 4: Simplify right side
663,258.62x = 373,487,884,930.14 - Step 5: Solve for x
x = 373,487,884,930.14/663,258.62 - Step 6: Final answer
x = 563,110.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.