Finding the Fourth Proportional to 1,476,371.84, 2,213,158.08 and 478,400
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Solution
The fourth proportional to 1,476,371.84, 2,213,158.08 and 478,400 is: 717,146.45
Step by Step Solution
- Step 1: Write the proportion equation
1,476,371.84 : 2,213,158.08 = 478,400 : x - Step 2: Convert to fraction form
1,476,371.84/2,213,158.08 = 478,400/x - Step 3: Cross multiply
1,476,371.84x = 2,213,158.08 × 478,400 - Step 4: Simplify right side
1,476,371.84x = 1,058,774,825,472 - Step 5: Solve for x
x = 1,058,774,825,472/1,476,371.84 - Step 6: Final answer
x = 717,146.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.