Finding the Fourth Proportional to 906,616.87, 1,251,104.75 and 498,718.49
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Solution
The fourth proportional to 906,616.87, 1,251,104.75 and 498,718.49 is: 688,216.91
Step by Step Solution
- Step 1: Write the proportion equation
906,616.87 : 1,251,104.75 = 498,718.49 : x - Step 2: Convert to fraction form
906,616.87/1,251,104.75 = 498,718.49/x - Step 3: Cross multiply
906,616.87x = 1,251,104.75 × 498,718.49 - Step 4: Simplify right side
906,616.87x = 623,949,063,002.71 - Step 5: Solve for x
x = 623,949,063,002.71/906,616.87 - Step 6: Final answer
x = 688,216.91
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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.