Finding the Fourth Proportional to 493,877.13, 681,536.48 and 289,924.80
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Solution
The fourth proportional to 493,877.13, 681,536.48 and 289,924.80 is: 400,088.03
Step by Step Solution
- Step 1: Write the proportion equation
493,877.13 : 681,536.48 = 289,924.80 : x - Step 2: Convert to fraction form
493,877.13/681,536.48 = 289,924.80/x - Step 3: Cross multiply
493,877.13x = 681,536.48 × 289,924.80 - Step 4: Simplify right side
493,877.13x = 197,594,327,656.70 - Step 5: Solve for x
x = 197,594,327,656.70/493,877.13 - Step 6: Final answer
x = 400,088.03
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.