Finding the Fourth Proportional to 840,521.10, 1,159,913.62 and 477,944.98
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Solution
The fourth proportional to 840,521.10, 1,159,913.62 and 477,944.98 is: 659,560.95
Step by Step Solution
- Step 1: Write the proportion equation
840,521.10 : 1,159,913.62 = 477,944.98 : x - Step 2: Convert to fraction form
840,521.10/1,159,913.62 = 477,944.98/x - Step 3: Cross multiply
840,521.10x = 1,159,913.62 × 477,944.98 - Step 4: Simplify right side
840,521.10x = 554,374,894,214.98 - Step 5: Solve for x
x = 554,374,894,214.98/840,521.10 - Step 6: Final answer
x = 659,560.95
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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.