Finding the Fourth Proportional to 546,508.61, 814,268.06 and 515,950.75
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Solution
The fourth proportional to 546,508.61, 814,268.06 and 515,950.75 is: 768,738.51
Step by Step Solution
- Step 1: Write the proportion equation
546,508.61 : 814,268.06 = 515,950.75 : x - Step 2: Convert to fraction form
546,508.61/814,268.06 = 515,950.75/x - Step 3: Cross multiply
546,508.61x = 814,268.06 × 515,950.75 - Step 4: Simplify right side
546,508.61x = 420,122,216,258.05 - Step 5: Solve for x
x = 420,122,216,258.05/546,508.61 - Step 6: Final answer
x = 768,738.51
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.