Finding the Fourth Proportional to 717,643.80, 1,076,465.70 and 599,545.80
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Solution
The fourth proportional to 717,643.80, 1,076,465.70 and 599,545.80 is: 899,318.70
Step by Step Solution
- Step 1: Write the proportion equation
717,643.80 : 1,076,465.70 = 599,545.80 : x - Step 2: Convert to fraction form
717,643.80/1,076,465.70 = 599,545.80/x - Step 3: Cross multiply
717,643.80x = 1,076,465.70 × 599,545.80 - Step 4: Simplify right side
717,643.80x = 645,390,489,279.06 - Step 5: Solve for x
x = 645,390,489,279.06/717,643.80 - Step 6: Final answer
x = 899,318.70
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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.