Finding the Fourth Proportional to 841,697.84, 1,161,495.96 and 479,210.24
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Solution
The fourth proportional to 841,697.84, 1,161,495.96 and 479,210.24 is: 661,283.34
Step by Step Solution
- Step 1: Write the proportion equation
841,697.84 : 1,161,495.96 = 479,210.24 : x - Step 2: Convert to fraction form
841,697.84/1,161,495.96 = 479,210.24/x - Step 3: Cross multiply
841,697.84x = 1,161,495.96 × 479,210.24 - Step 4: Simplify right side
841,697.84x = 556,600,757,750.63 - Step 5: Solve for x
x = 556,600,757,750.63/841,697.84 - Step 6: Final answer
x = 661,283.34
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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.