Finding the Fourth Proportional to 702,972.21, 970,102.17 and 380,682.66
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Solution
The fourth proportional to 702,972.21, 970,102.17 and 380,682.66 is: 525,342.35
Step by Step Solution
- Step 1: Write the proportion equation
702,972.21 : 970,102.17 = 380,682.66 : x - Step 2: Convert to fraction form
702,972.21/970,102.17 = 380,682.66/x - Step 3: Cross multiply
702,972.21x = 970,102.17 × 380,682.66 - Step 4: Simplify right side
702,972.21x = 369,301,074,547.37 - Step 5: Solve for x
x = 369,301,074,547.37/702,972.21 - Step 6: Final answer
x = 525,342.35
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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.