Finding the Fourth Proportional to 875,304.40, 1,207,919.10 and 472,896.40
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Solution
The fourth proportional to 875,304.40, 1,207,919.10 and 472,896.40 is: 652,596.51
Step by Step Solution
- Step 1: Write the proportion equation
875,304.40 : 1,207,919.10 = 472,896.40 : x - Step 2: Convert to fraction form
875,304.40/1,207,919.10 = 472,896.40/x - Step 3: Cross multiply
875,304.40x = 1,207,919.10 × 472,896.40 - Step 4: Simplify right side
875,304.40x = 571,220,593,881.24 - Step 5: Solve for x
x = 571,220,593,881.24/875,304.40 - Step 6: Final answer
x = 652,596.51
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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.