Finding the Fourth Proportional to 868,973.30, 1,199,232.44 and 487,024.68
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Solution
The fourth proportional to 868,973.30, 1,199,232.44 and 487,024.68 is: 672,121.68
Step by Step Solution
- Step 1: Write the proportion equation
868,973.30 : 1,199,232.44 = 487,024.68 : x - Step 2: Convert to fraction form
868,973.30/1,199,232.44 = 487,024.68/x - Step 3: Cross multiply
868,973.30x = 1,199,232.44 × 487,024.68 - Step 4: Simplify right side
868,973.30x = 584,055,792,901.50 - Step 5: Solve for x
x = 584,055,792,901.50/868,973.30 - Step 6: Final answer
x = 672,121.68
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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.