Finding the Fourth Proportional to 717,964.29, 990,797.27 and 395,686.08
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Solution
The fourth proportional to 717,964.29, 990,797.27 and 395,686.08 is: 546,050.40
Step by Step Solution
- Step 1: Write the proportion equation
717,964.29 : 990,797.27 = 395,686.08 : x - Step 2: Convert to fraction form
717,964.29/990,797.27 = 395,686.08/x - Step 3: Cross multiply
717,964.29x = 990,797.27 × 395,686.08 - Step 4: Simplify right side
717,964.29x = 392,044,685,862.57 - Step 5: Solve for x
x = 392,044,685,862.57/717,964.29 - Step 6: Final answer
x = 546,050.40
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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.