Finding the Fourth Proportional to 939,366.08, 1,296,313.56 and 509,643.08
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Solution
The fourth proportional to 939,366.08, 1,296,313.56 and 509,643.08 is: 703,301.14
Step by Step Solution
- Step 1: Write the proportion equation
939,366.08 : 1,296,313.56 = 509,643.08 : x - Step 2: Convert to fraction form
939,366.08/1,296,313.56 = 509,643.08/x - Step 3: Cross multiply
939,366.08x = 1,296,313.56 × 509,643.08 - Step 4: Simplify right side
939,366.08x = 660,657,235,364.17 - Step 5: Solve for x
x = 660,657,235,364.17/939,366.08 - Step 6: Final answer
x = 703,301.14
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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.