Finding the Fourth Proportional to 840,395.79, 1,159,732.47 and 477,811.84
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Solution
The fourth proportional to 840,395.79, 1,159,732.47 and 477,811.84 is: 659,372.54
Step by Step Solution
- Step 1: Write the proportion equation
840,395.79 : 1,159,732.47 = 477,811.84 : x - Step 2: Convert to fraction form
840,395.79/1,159,732.47 = 477,811.84/x - Step 3: Cross multiply
840,395.79x = 1,159,732.47 × 477,811.84 - Step 4: Simplify right side
840,395.79x = 554,133,903,009.39 - Step 5: Solve for x
x = 554,133,903,009.39/840,395.79 - Step 6: Final answer
x = 659,372.54
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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.