Finding the Fourth Proportional to 649,744.47, 896,758.19 and 377,970.08
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Solution
The fourth proportional to 649,744.47, 896,758.19 and 377,970.08 is: 521,663.17
Step by Step Solution
- Step 1: Write the proportion equation
649,744.47 : 896,758.19 = 377,970.08 : x - Step 2: Convert to fraction form
649,744.47/896,758.19 = 377,970.08/x - Step 3: Cross multiply
649,744.47x = 896,758.19 × 377,970.08 - Step 4: Simplify right side
649,744.47x = 338,947,758,441.31 - Step 5: Solve for x
x = 338,947,758,441.31/649,744.47 - Step 6: Final answer
x = 521,663.17
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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.