Finding the Fourth Proportional to 553,810.75, 764,259.51 and 299,161.94
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Solution
The fourth proportional to 553,810.75, 764,259.51 and 299,161.94 is: 412,843.84
Step by Step Solution
- Step 1: Write the proportion equation
553,810.75 : 764,259.51 = 299,161.94 : x - Step 2: Convert to fraction form
553,810.75/764,259.51 = 299,161.94/x - Step 3: Cross multiply
553,810.75x = 764,259.51 × 299,161.94 - Step 4: Simplify right side
553,810.75x = 228,637,357,675.05 - Step 5: Solve for x
x = 228,637,357,675.05/553,810.75 - Step 6: Final answer
x = 412,843.84
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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.