Finding the Fourth Proportional to 553,795.29, 764,237.84 and 299,146.59
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Solution
The fourth proportional to 553,795.29, 764,237.84 and 299,146.59 is: 412,822.48
Step by Step Solution
- Step 1: Write the proportion equation
553,795.29 : 764,237.84 = 299,146.59 : x - Step 2: Convert to fraction form
553,795.29/764,237.84 = 299,146.59/x - Step 3: Cross multiply
553,795.29x = 764,237.84 × 299,146.59 - Step 4: Simplify right side
553,795.29x = 228,619,142,289.23 - Step 5: Solve for x
x = 228,619,142,289.23/553,795.29 - Step 6: Final answer
x = 412,822.48
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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.