Finding the Fourth Proportional to 645,141.84, 889,854.84 and 591,604.08
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Solution
The fourth proportional to 645,141.84, 889,854.84 and 591,604.08 is: 816,009.32
Step by Step Solution
- Step 1: Write the proportion equation
645,141.84 : 889,854.84 = 591,604.08 : x - Step 2: Convert to fraction form
645,141.84/889,854.84 = 591,604.08/x - Step 3: Cross multiply
645,141.84x = 889,854.84 × 591,604.08 - Step 4: Simplify right side
645,141.84x = 526,441,753,951.75 - Step 5: Solve for x
x = 526,441,753,951.75/645,141.84 - Step 6: Final answer
x = 816,009.32
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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.