Finding the Fourth Proportional to 532,118.05, 734,325.11 and 290,405.74
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Solution
The fourth proportional to 532,118.05, 734,325.11 and 290,405.74 is: 400,761.12
Step by Step Solution
- Step 1: Write the proportion equation
532,118.05 : 734,325.11 = 290,405.74 : x - Step 2: Convert to fraction form
532,118.05/734,325.11 = 290,405.74/x - Step 3: Cross multiply
532,118.05x = 734,325.11 × 290,405.74 - Step 4: Simplify right side
532,118.05x = 213,252,226,970.13 - Step 5: Solve for x
x = 213,252,226,970.13/532,118.05 - Step 6: Final answer
x = 400,761.12
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1.5x scale
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.