Finding the Fourth Proportional to 894,337.12, 1,234,201.14 and 486,447.88
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Solution
The fourth proportional to 894,337.12, 1,234,201.14 and 486,447.88 is: 671,306.73
Step by Step Solution
- Step 1: Write the proportion equation
894,337.12 : 1,234,201.14 = 486,447.88 : x - Step 2: Convert to fraction form
894,337.12/1,234,201.14 = 486,447.88/x - Step 3: Cross multiply
894,337.12x = 1,234,201.14 × 486,447.88 - Step 4: Simplify right side
894,337.12x = 600,374,528,046.58 - Step 5: Solve for x
x = 600,374,528,046.58/894,337.12 - Step 6: Final answer
x = 671,306.73
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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.