Finding the Fourth Proportional to 626,302.13, 864,521.10 and 371,653.31
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Solution
The fourth proportional to 626,302.13, 864,521.10 and 371,653.31 is: 513,014.59
Step by Step Solution
- Step 1: Write the proportion equation
626,302.13 : 864,521.10 = 371,653.31 : x - Step 2: Convert to fraction form
626,302.13/864,521.10 = 371,653.31/x - Step 3: Cross multiply
626,302.13x = 864,521.10 × 371,653.31 - Step 4: Simplify right side
626,302.13x = 321,302,130,541.14 - Step 5: Solve for x
x = 321,302,130,541.14/626,302.13 - Step 6: Final answer
x = 513,014.59
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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.