Finding the Fourth Proportional to 989,523.99, 1,484,282.34 and 358,290.18
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Solution
The fourth proportional to 989,523.99, 1,484,282.34 and 358,290.18 is: 537,433.95
Step by Step Solution
- Step 1: Write the proportion equation
989,523.99 : 1,484,282.34 = 358,290.18 : x - Step 2: Convert to fraction form
989,523.99/1,484,282.34 = 358,290.18/x - Step 3: Cross multiply
989,523.99x = 1,484,282.34 × 358,290.18 - Step 4: Simplify right side
989,523.99x = 531,803,786,769.42 - Step 5: Solve for x
x = 531,803,786,769.42/989,523.99 - Step 6: Final answer
x = 537,433.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.