Finding the Fourth Proportional to 532,521.84, 734,975.06 and 314,721.62
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Solution
The fourth proportional to 532,521.84, 734,975.06 and 314,721.62 is: 434,371.92
Step by Step Solution
- Step 1: Write the proportion equation
532,521.84 : 734,975.06 = 314,721.62 : x - Step 2: Convert to fraction form
532,521.84/734,975.06 = 314,721.62/x - Step 3: Cross multiply
532,521.84x = 734,975.06 × 314,721.62 - Step 4: Simplify right side
532,521.84x = 231,312,536,294.31 - Step 5: Solve for x
x = 231,312,536,294.31/532,521.84 - Step 6: Final answer
x = 434,371.92
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1.5x scale
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.