Finding the Fourth Proportional to 840,440.59, 1,159,862.82 and 477,898.18
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Solution
The fourth proportional to 840,440.59, 1,159,862.82 and 477,898.18 is: 659,530.65
Step by Step Solution
- Step 1: Write the proportion equation
840,440.59 : 1,159,862.82 = 477,898.18 : x - Step 2: Convert to fraction form
840,440.59/1,159,862.82 = 477,898.18/x - Step 3: Cross multiply
840,440.59x = 1,159,862.82 × 477,898.18 - Step 4: Simplify right side
840,440.59x = 554,296,327,828.01 - Step 5: Solve for x
x = 554,296,327,828.01/840,440.59 - Step 6: Final answer
x = 659,530.65
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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.