Finding the Fourth Proportional to 684,265.32, 944,248.12 and 378,323.92
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Solution
The fourth proportional to 684,265.32, 944,248.12 and 378,323.92 is: 522,065.99
Step by Step Solution
- Step 1: Write the proportion equation
684,265.32 : 944,248.12 = 378,323.92 : x - Step 2: Convert to fraction form
684,265.32/944,248.12 = 378,323.92/x - Step 3: Cross multiply
684,265.32x = 944,248.12 × 378,323.92 - Step 4: Simplify right side
684,265.32x = 357,231,650,211.03 - Step 5: Solve for x
x = 357,231,650,211.03/684,265.32 - Step 6: Final answer
x = 522,065.99
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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.