Finding the Fourth Proportional to 729,088.80, 1,086,874.08 and 717,574.08
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Solution
The fourth proportional to 729,088.80, 1,086,874.08 and 717,574.08 is: 1,069,708.75
Step by Step Solution
- Step 1: Write the proportion equation
729,088.80 : 1,086,874.08 = 717,574.08 : x - Step 2: Convert to fraction form
729,088.80/1,086,874.08 = 717,574.08/x - Step 3: Cross multiply
729,088.80x = 1,086,874.08 × 717,574.08 - Step 4: Simplify right side
729,088.80x = 779,912,668,031.85 - Step 5: Solve for x
x = 779,912,668,031.85/729,088.80 - Step 6: Final answer
x = 1,069,708.75
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.