Finding the Fourth Proportional to 1,021,329.84, 1,532,096.28 and 390,774
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Solution
The fourth proportional to 1,021,329.84, 1,532,096.28 and 390,774 is: 586,199.84
Step by Step Solution
- Step 1: Write the proportion equation
1,021,329.84 : 1,532,096.28 = 390,774 : x - Step 2: Convert to fraction form
1,021,329.84/1,532,096.28 = 390,774/x - Step 3: Cross multiply
1,021,329.84x = 1,532,096.28 × 390,774 - Step 4: Simplify right side
1,021,329.84x = 598,703,391,720.72 - Step 5: Solve for x
x = 598,703,391,720.72/1,021,329.84 - Step 6: Final answer
x = 586,199.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.