Finding the Fourth Proportional to 509,365.62, 702,904.77 and 283,025.70
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Solution
The fourth proportional to 509,365.62, 702,904.77 and 283,025.70 is: 390,564.47
Step by Step Solution
- Step 1: Write the proportion equation
509,365.62 : 702,904.77 = 283,025.70 : x - Step 2: Convert to fraction form
509,365.62/702,904.77 = 283,025.70/x - Step 3: Cross multiply
509,365.62x = 702,904.77 × 283,025.70 - Step 4: Simplify right side
509,365.62x = 198,940,114,562.59 - Step 5: Solve for x
x = 198,940,114,562.59/509,365.62 - Step 6: Final answer
x = 390,564.47
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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.