Finding the Fourth Proportional to 813,495.35, 1,122,677.61 and 450,934.49
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Solution
The fourth proportional to 813,495.35, 1,122,677.61 and 450,934.49 is: 622,319.54
Step by Step Solution
- Step 1: Write the proportion equation
813,495.35 : 1,122,677.61 = 450,934.49 : x - Step 2: Convert to fraction form
813,495.35/1,122,677.61 = 450,934.49/x - Step 3: Cross multiply
813,495.35x = 1,122,677.61 × 450,934.49 - Step 4: Simplify right side
813,495.35x = 506,254,055,499.77 - Step 5: Solve for x
x = 506,254,055,499.77/813,495.35 - Step 6: Final answer
x = 622,319.54
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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.