Finding the Fourth Proportional to 889,526.06, 1,334,371.11 and 290,490.35
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Solution
The fourth proportional to 889,526.06, 1,334,371.11 and 290,490.35 is: 435,762.32
Step by Step Solution
- Step 1: Write the proportion equation
889,526.06 : 1,334,371.11 = 290,490.35 : x - Step 2: Convert to fraction form
889,526.06/1,334,371.11 = 290,490.35/x - Step 3: Cross multiply
889,526.06x = 1,334,371.11 × 290,490.35 - Step 4: Simplify right side
889,526.06x = 387,621,934,109.72 - Step 5: Solve for x
x = 387,621,934,109.72/889,526.06 - Step 6: Final answer
x = 435,762.32
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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.