Finding the Fourth Proportional to 801,979.74, 1,106,591.36 and 457,658.46
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Solution
The fourth proportional to 801,979.74, 1,106,591.36 and 457,658.46 is: 631,488.39
Step by Step Solution
- Step 1: Write the proportion equation
801,979.74 : 1,106,591.36 = 457,658.46 : x - Step 2: Convert to fraction form
801,979.74/1,106,591.36 = 457,658.46/x - Step 3: Cross multiply
801,979.74x = 1,106,591.36 × 457,658.46 - Step 4: Simplify right side
801,979.74x = 506,440,897,666.91 - Step 5: Solve for x
x = 506,440,897,666.91/801,979.74 - Step 6: Final answer
x = 631,488.39
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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.