Finding the Fourth Proportional to 623,390.76, 859,880.34 and 432,334.44
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Solution
The fourth proportional to 623,390.76, 859,880.34 and 432,334.44 is: 596,344.88
Step by Step Solution
- Step 1: Write the proportion equation
623,390.76 : 859,880.34 = 432,334.44 : x - Step 2: Convert to fraction form
623,390.76/859,880.34 = 432,334.44/x - Step 3: Cross multiply
623,390.76x = 859,880.34 × 432,334.44 - Step 4: Simplify right side
623,390.76x = 371,755,885,260.91 - Step 5: Solve for x
x = 371,755,885,260.91/623,390.76 - Step 6: Final answer
x = 596,344.88
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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.