Finding the Fourth Proportional to 532,019.14, 734,204.12 and 290,314.99
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Solution
The fourth proportional to 532,019.14, 734,204.12 and 290,314.99 is: 400,644.35
Step by Step Solution
- Step 1: Write the proportion equation
532,019.14 : 734,204.12 = 290,314.99 : x - Step 2: Convert to fraction form
532,019.14/734,204.12 = 290,314.99/x - Step 3: Cross multiply
532,019.14x = 734,204.12 × 290,314.99 - Step 4: Simplify right side
532,019.14x = 213,150,459,541.57 - Step 5: Solve for x
x = 213,150,459,541.57/532,019.14 - Step 6: Final answer
x = 400,644.35
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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.