Finding the Fourth Proportional to 664,331.55, 927,964.65 and 664,331.55
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Solution
The fourth proportional to 664,331.55, 927,964.65 and 664,331.55 is: 927,964.65
Step by Step Solution
- Step 1: Write the proportion equation
664,331.55 : 927,964.65 = 664,331.55 : x - Step 2: Convert to fraction form
664,331.55/927,964.65 = 664,331.55/x - Step 3: Cross multiply
664,331.55x = 927,964.65 × 664,331.55 - Step 4: Simplify right side
664,331.55x = 616,476,194,279.71 - Step 5: Solve for x
x = 616,476,194,279.71/664,331.55 - Step 6: Final answer
x = 927,964.65
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.