Finding the Fourth Proportional to 479,880.86, 720,264.10 and 243,389.62
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Solution
The fourth proportional to 479,880.86, 720,264.10 and 243,389.62 is: 365,309.02
Step by Step Solution
- Step 1: Write the proportion equation
479,880.86 : 720,264.10 = 243,389.62 : x - Step 2: Convert to fraction form
479,880.86/720,264.10 = 243,389.62/x - Step 3: Cross multiply
479,880.86x = 720,264.10 × 243,389.62 - Step 4: Simplify right side
479,880.86x = 175,304,805,598.64 - Step 5: Solve for x
x = 175,304,805,598.64/479,880.86 - Step 6: Final answer
x = 365,309.02
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1.5x scale
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.