Finding the Fourth Proportional to 902,013.30, 1,243,780.88 and 574,807.99
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Solution
The fourth proportional to 902,013.30, 1,243,780.88 and 574,807.99 is: 792,599.38
Step by Step Solution
- Step 1: Write the proportion equation
902,013.30 : 1,243,780.88 = 574,807.99 : x - Step 2: Convert to fraction form
902,013.30/1,243,780.88 = 574,807.99/x - Step 3: Cross multiply
902,013.30x = 1,243,780.88 × 574,807.99 - Step 4: Simplify right side
902,013.30x = 714,935,182,100.37 - Step 5: Solve for x
x = 714,935,182,100.37/902,013.30 - Step 6: Final answer
x = 792,599.38
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1.5x scale
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.