Finding the Fourth Proportional to 622,934.84, 859,658.12 and 368,283.80
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Solution
The fourth proportional to 622,934.84, 859,658.12 and 368,283.80 is: 508,236.39
Step by Step Solution
- Step 1: Write the proportion equation
622,934.84 : 859,658.12 = 368,283.80 : x - Step 2: Convert to fraction form
622,934.84/859,658.12 = 368,283.80/x - Step 3: Cross multiply
622,934.84x = 859,658.12 × 368,283.80 - Step 4: Simplify right side
622,934.84x = 316,598,152,994.75 - Step 5: Solve for x
x = 316,598,152,994.75/622,934.84 - Step 6: Final answer
x = 508,236.39
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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.