Finding the Fourth Proportional to 523,436.28, 785,158.36 and 286,649.79
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Solution
The fourth proportional to 523,436.28, 785,158.36 and 286,649.79 is: 429,976.84
Step by Step Solution
- Step 1: Write the proportion equation
523,436.28 : 785,158.36 = 286,649.79 : x - Step 2: Convert to fraction form
523,436.28/785,158.36 = 286,649.79/x - Step 3: Cross multiply
523,436.28x = 785,158.36 × 286,649.79 - Step 4: Simplify right side
523,436.28x = 225,065,476,962.18 - Step 5: Solve for x
x = 225,065,476,962.18/523,436.28 - Step 6: Final answer
x = 429,976.84
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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.