Finding the Fourth Proportional to 532,518.84, 734,970.92 and 314,718.62
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Solution
The fourth proportional to 532,518.84, 734,970.92 and 314,718.62 is: 434,367.78
Step by Step Solution
- Step 1: Write the proportion equation
532,518.84 : 734,970.92 = 314,718.62 : x - Step 2: Convert to fraction form
532,518.84/734,970.92 = 314,718.62/x - Step 3: Cross multiply
532,518.84x = 734,970.92 × 314,718.62 - Step 4: Simplify right side
532,518.84x = 231,309,028,434.08 - Step 5: Solve for x
x = 231,309,028,434.08/532,518.84 - Step 6: Final answer
x = 434,367.78
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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.