Finding the Fourth Proportional to 998,434.71, 1,377,685.94 and 568,660.05
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Solution
The fourth proportional to 998,434.71, 1,377,685.94 and 568,660.05 is: 784,663.18
Step by Step Solution
- Step 1: Write the proportion equation
998,434.71 : 1,377,685.94 = 568,660.05 : x - Step 2: Convert to fraction form
998,434.71/1,377,685.94 = 568,660.05/x - Step 3: Cross multiply
998,434.71x = 1,377,685.94 × 568,660.05 - Step 4: Simplify right side
998,434.71x = 783,434,952,681.40 - Step 5: Solve for x
x = 783,434,952,681.40/998,434.71 - Step 6: Final answer
x = 784,663.18
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.