Finding the Fourth Proportional to 589,141.98, 813,100.74 and 426,327.12
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Solution
The fourth proportional to 589,141.98, 813,100.74 and 426,327.12 is: 588,392.80
Step by Step Solution
- Step 1: Write the proportion equation
589,141.98 : 813,100.74 = 426,327.12 : x - Step 2: Convert to fraction form
589,141.98/813,100.74 = 426,327.12/x - Step 3: Cross multiply
589,141.98x = 813,100.74 × 426,327.12 - Step 4: Simplify right side
589,141.98x = 346,646,896,754.07 - Step 5: Solve for x
x = 346,646,896,754.07/589,141.98 - Step 6: Final answer
x = 588,392.80
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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.