Finding the Fourth Proportional to 553,630.18, 764,009.70 and 298,981.37
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Solution
The fourth proportional to 553,630.18, 764,009.70 and 298,981.37 is: 412,594.32
Step by Step Solution
- Step 1: Write the proportion equation
553,630.18 : 764,009.70 = 298,981.37 : x - Step 2: Convert to fraction form
553,630.18/764,009.70 = 298,981.37/x - Step 3: Cross multiply
553,630.18x = 764,009.70 × 298,981.37 - Step 4: Simplify right side
553,630.18x = 228,424,666,799.29 - Step 5: Solve for x
x = 228,424,666,799.29/553,630.18 - Step 6: Final answer
x = 412,594.32
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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.