Finding the Fourth Proportional to 970,449.60, 1,454,119.20 and 614,827.20
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Solution
The fourth proportional to 970,449.60, 1,454,119.20 and 614,827.20 is: 921,255.50
Step by Step Solution
- Step 1: Write the proportion equation
970,449.60 : 1,454,119.20 = 614,827.20 : x - Step 2: Convert to fraction form
970,449.60/1,454,119.20 = 614,827.20/x - Step 3: Cross multiply
970,449.60x = 1,454,119.20 × 614,827.20 - Step 4: Simplify right side
970,449.60x = 894,032,036,202.24 - Step 5: Solve for x
x = 894,032,036,202.24/970,449.60 - Step 6: Final answer
x = 921,255.50
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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.