Finding the Fourth Proportional to 869,432.04, 1,304,335.74 and 270,381.48
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Solution
The fourth proportional to 869,432.04, 1,304,335.74 and 270,381.48 is: 405,630.59
Step by Step Solution
- Step 1: Write the proportion equation
869,432.04 : 1,304,335.74 = 270,381.48 : x - Step 2: Convert to fraction form
869,432.04/1,304,335.74 = 270,381.48/x - Step 3: Cross multiply
869,432.04x = 1,304,335.74 × 270,381.48 - Step 4: Simplify right side
869,432.04x = 352,668,227,798.10 - Step 5: Solve for x
x = 352,668,227,798.10/869,432.04 - Step 6: Final answer
x = 405,630.59
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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.