Finding the Fourth Proportional to 717,760.19, 1,074,867.62 and 534,952.70
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Solution
The fourth proportional to 717,760.19, 1,074,867.62 and 534,952.70 is: 801,107.88
Step by Step Solution
- Step 1: Write the proportion equation
717,760.19 : 1,074,867.62 = 534,952.70 : x - Step 2: Convert to fraction form
717,760.19/1,074,867.62 = 534,952.70/x - Step 3: Cross multiply
717,760.19x = 1,074,867.62 × 534,952.70 - Step 4: Simplify right side
717,760.19x = 575,003,340,498.47 - Step 5: Solve for x
x = 575,003,340,498.47/717,760.19 - Step 6: Final answer
x = 801,107.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.