Finding the Fourth Proportional to 840,301.12, 1,259,206.80 and 691,598.08
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Solution
The fourth proportional to 840,301.12, 1,259,206.80 and 691,598.08 is: 1,036,372.54
Step by Step Solution
- Step 1: Write the proportion equation
840,301.12 : 1,259,206.80 = 691,598.08 : x - Step 2: Convert to fraction form
840,301.12/1,259,206.80 = 691,598.08/x - Step 3: Cross multiply
840,301.12x = 1,259,206.80 × 691,598.08 - Step 4: Simplify right side
840,301.12x = 870,865,005,202.94 - Step 5: Solve for x
x = 870,865,005,202.94/840,301.12 - Step 6: Final answer
x = 1,036,372.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.