Finding the Fourth Proportional to 589,386.74, 813,358.77 and 321,132.02
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Solution
The fourth proportional to 589,386.74, 813,358.77 and 321,132.02 is: 443,164.95
Step by Step Solution
- Step 1: Write the proportion equation
589,386.74 : 813,358.77 = 321,132.02 : x - Step 2: Convert to fraction form
589,386.74/813,358.77 = 321,132.02/x - Step 3: Cross multiply
589,386.74x = 813,358.77 × 321,132.02 - Step 4: Simplify right side
589,386.74x = 261,195,544,794.82 - Step 5: Solve for x
x = 261,195,544,794.82/589,386.74 - Step 6: Final answer
x = 443,164.95
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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.