Finding the Fourth Proportional to 503,734.12, 693,970.80 and 350,508.81
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Solution
The fourth proportional to 503,734.12, 693,970.80 and 350,508.81 is: 482,879.50
Step by Step Solution
- Step 1: Write the proportion equation
503,734.12 : 693,970.80 = 350,508.81 : x - Step 2: Convert to fraction form
503,734.12/693,970.80 = 350,508.81/x - Step 3: Cross multiply
503,734.12x = 693,970.80 × 350,508.81 - Step 4: Simplify right side
503,734.12x = 243,242,879,282.75 - Step 5: Solve for x
x = 243,242,879,282.75/503,734.12 - Step 6: Final answer
x = 482,879.50
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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.