Finding the Fourth Proportional to 808,507.20, 1,115,110.08 and 522,097.68
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Solution
The fourth proportional to 808,507.20, 1,115,110.08 and 522,097.68 is: 720,088.07
Step by Step Solution
- Step 1: Write the proportion equation
808,507.20 : 1,115,110.08 = 522,097.68 : x - Step 2: Convert to fraction form
808,507.20/1,115,110.08 = 522,097.68/x - Step 3: Cross multiply
808,507.20x = 1,115,110.08 × 522,097.68 - Step 4: Simplify right side
808,507.20x = 582,196,385,712.61 - Step 5: Solve for x
x = 582,196,385,712.61/808,507.20 - Step 6: Final answer
x = 720,088.07
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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.