Finding the Fourth Proportional to 947,808.84, 1,307,976.26 and 518,090.68
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Solution
The fourth proportional to 947,808.84, 1,307,976.26 and 518,090.68 is: 714,965.17
Step by Step Solution
- Step 1: Write the proportion equation
947,808.84 : 1,307,976.26 = 518,090.68 : x - Step 2: Convert to fraction form
947,808.84/1,307,976.26 = 518,090.68/x - Step 3: Cross multiply
947,808.84x = 1,307,976.26 × 518,090.68 - Step 4: Simplify right side
947,808.84x = 677,650,309,011.77 - Step 5: Solve for x
x = 677,650,309,011.77/947,808.84 - Step 6: Final answer
x = 714,965.17
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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.