Finding the Fourth Proportional to 840,560.08, 1,159,925.60 and 478,072.12
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Solution
The fourth proportional to 840,560.08, 1,159,925.60 and 478,072.12 is: 659,712.62
Step by Step Solution
- Step 1: Write the proportion equation
840,560.08 : 1,159,925.60 = 478,072.12 : x - Step 2: Convert to fraction form
840,560.08/1,159,925.60 = 478,072.12/x - Step 3: Cross multiply
840,560.08x = 1,159,925.60 × 478,072.12 - Step 4: Simplify right side
840,560.08x = 554,528,090,634.27 - Step 5: Solve for x
x = 554,528,090,634.27/840,560.08 - Step 6: Final answer
x = 659,712.62
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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.