Finding the Fourth Proportional to 711,213.71, 1,065,696.99 and 577,440.38
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Solution
The fourth proportional to 711,213.71, 1,065,696.99 and 577,440.38 is: 865,248.34
Step by Step Solution
- Step 1: Write the proportion equation
711,213.71 : 1,065,696.99 = 577,440.38 : x - Step 2: Convert to fraction form
711,213.71/1,065,696.99 = 577,440.38/x - Step 3: Cross multiply
711,213.71x = 1,065,696.99 × 577,440.38 - Step 4: Simplify right side
711,213.71x = 615,376,475,369.30 - Step 5: Solve for x
x = 615,376,475,369.30/711,213.71 - Step 6: Final answer
x = 865,248.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.