Finding the Fourth Proportional to 460,512.84, 687,391.65 and 426,742.02
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Solution
The fourth proportional to 460,512.84, 687,391.65 and 426,742.02 is: 636,983.11
Step by Step Solution
- Step 1: Write the proportion equation
460,512.84 : 687,391.65 = 426,742.02 : x - Step 2: Convert to fraction form
460,512.84/687,391.65 = 426,742.02/x - Step 3: Cross multiply
460,512.84x = 687,391.65 × 426,742.02 - Step 4: Simplify right side
460,512.84x = 293,338,901,252.13 - Step 5: Solve for x
x = 293,338,901,252.13/460,512.84 - Step 6: Final answer
x = 636,983.11
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.