Finding the Fourth Proportional to 970,246.80, 1,455,370.20 and 926,701.20
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Solution
The fourth proportional to 970,246.80, 1,455,370.20 and 926,701.20 is: 1,390,051.80
Step by Step Solution
- Step 1: Write the proportion equation
970,246.80 : 1,455,370.20 = 926,701.20 : x - Step 2: Convert to fraction form
970,246.80/1,455,370.20 = 926,701.20/x - Step 3: Cross multiply
970,246.80x = 1,455,370.20 × 926,701.20 - Step 4: Simplify right side
970,246.80x = 1,348,693,310,784.24 - Step 5: Solve for x
x = 1,348,693,310,784.24/970,246.80 - Step 6: Final answer
x = 1,390,051.80
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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.