Finding the Fourth Proportional to 651,744.36, 899,407.08 and 361,355.04
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Solution
The fourth proportional to 651,744.36, 899,407.08 and 361,355.04 is: 498,669.88
Step by Step Solution
- Step 1: Write the proportion equation
651,744.36 : 899,407.08 = 361,355.04 : x - Step 2: Convert to fraction form
651,744.36/899,407.08 = 361,355.04/x - Step 3: Cross multiply
651,744.36x = 899,407.08 × 361,355.04 - Step 4: Simplify right side
651,744.36x = 325,005,281,369.68 - Step 5: Solve for x
x = 325,005,281,369.68/651,744.36 - Step 6: Final answer
x = 498,669.88
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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.