Finding the Fourth Proportional to 802,069.16, 1,106,855.72 and 439,490.08
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Solution
The fourth proportional to 802,069.16, 1,106,855.72 and 439,490.08 is: 606,496.46
Step by Step Solution
- Step 1: Write the proportion equation
802,069.16 : 1,106,855.72 = 439,490.08 : x - Step 2: Convert to fraction form
802,069.16/1,106,855.72 = 439,490.08/x - Step 3: Cross multiply
802,069.16x = 1,106,855.72 × 439,490.08 - Step 4: Simplify right side
802,069.16x = 486,452,108,931.26 - Step 5: Solve for x
x = 486,452,108,931.26/802,069.16 - Step 6: Final answer
x = 606,496.46
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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.