Finding the Fourth Proportional to 896,072.40, 1,344,671.28 and 363,595.68
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Solution
The fourth proportional to 896,072.40, 1,344,671.28 and 363,595.68 is: 545,621.84
Step by Step Solution
- Step 1: Write the proportion equation
896,072.40 : 1,344,671.28 = 363,595.68 : x - Step 2: Convert to fraction form
896,072.40/1,344,671.28 = 363,595.68/x - Step 3: Cross multiply
896,072.40x = 1,344,671.28 × 363,595.68 - Step 4: Simplify right side
896,072.40x = 488,916,668,428.07 - Step 5: Solve for x
x = 488,916,668,428.07/896,072.40 - Step 6: Final answer
x = 545,621.84
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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.