Finding the Fourth Proportional to 886,718.64, 1,223,664.12 and 484,302
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Solution
The fourth proportional to 886,718.64, 1,223,664.12 and 484,302 is: 668,332.61
Step by Step Solution
- Step 1: Write the proportion equation
886,718.64 : 1,223,664.12 = 484,302 : x - Step 2: Convert to fraction form
886,718.64/1,223,664.12 = 484,302/x - Step 3: Cross multiply
886,718.64x = 1,223,664.12 × 484,302 - Step 4: Simplify right side
886,718.64x = 592,622,980,644.24 - Step 5: Solve for x
x = 592,622,980,644.24/886,718.64 - Step 6: Final answer
x = 668,332.61
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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.