Finding the Fourth Proportional to 801,951.99, 1,106,693.71 and 439,389.58
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Solution
The fourth proportional to 801,951.99, 1,106,693.71 and 439,389.58 is: 606,357.60
Step by Step Solution
- Step 1: Write the proportion equation
801,951.99 : 1,106,693.71 = 439,389.58 : x - Step 2: Convert to fraction form
801,951.99/1,106,693.71 = 439,389.58/x - Step 3: Cross multiply
801,951.99x = 1,106,693.71 × 439,389.58 - Step 4: Simplify right side
801,951.99x = 486,269,684,425.54 - Step 5: Solve for x
x = 486,269,684,425.54/801,951.99 - Step 6: Final answer
x = 606,357.60
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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.