Finding the Fourth Proportional to 702,935.02, 970,048.58 and 380,645.12
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Solution
The fourth proportional to 702,935.02, 970,048.58 and 380,645.12 is: 525,289.32
Step by Step Solution
- Step 1: Write the proportion equation
702,935.02 : 970,048.58 = 380,645.12 : x - Step 2: Convert to fraction form
702,935.02/970,048.58 = 380,645.12/x - Step 3: Cross multiply
702,935.02x = 970,048.58 × 380,645.12 - Step 4: Simplify right side
702,935.02x = 369,244,258,139.93 - Step 5: Solve for x
x = 369,244,258,139.93/702,935.02 - Step 6: Final answer
x = 525,289.32
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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.