Finding the Fourth Proportional to 808,306.62, 1,115,490.08 and 440,803.88
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Solution
The fourth proportional to 808,306.62, 1,115,490.08 and 440,803.88 is: 608,324.04
Step by Step Solution
- Step 1: Write the proportion equation
808,306.62 : 1,115,490.08 = 440,803.88 : x - Step 2: Convert to fraction form
808,306.62/1,115,490.08 = 440,803.88/x - Step 3: Cross multiply
808,306.62x = 1,115,490.08 × 440,803.88 - Step 4: Simplify right side
808,306.62x = 491,712,347,584.04 - Step 5: Solve for x
x = 491,712,347,584.04/808,306.62 - Step 6: Final answer
x = 608,324.04
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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.