Finding the Fourth Proportional to 478,570.32, 660,427.10 and 277,482.96
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Solution
The fourth proportional to 478,570.32, 660,427.10 and 277,482.96 is: 382,926.52
Step by Step Solution
- Step 1: Write the proportion equation
478,570.32 : 660,427.10 = 277,482.96 : x - Step 2: Convert to fraction form
478,570.32/660,427.10 = 277,482.96/x - Step 3: Cross multiply
478,570.32x = 660,427.10 × 277,482.96 - Step 4: Simplify right side
478,570.32x = 183,257,266,572.22 - Step 5: Solve for x
x = 183,257,266,572.22/478,570.32 - Step 6: Final answer
x = 382,926.52
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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.