Finding the Fourth Proportional to 842,971.17, 1,163,309.40 and 460,989.75
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Solution
The fourth proportional to 842,971.17, 1,163,309.40 and 460,989.75 is: 636,170.88
Step by Step Solution
- Step 1: Write the proportion equation
842,971.17 : 1,163,309.40 = 460,989.75 : x - Step 2: Convert to fraction form
842,971.17/1,163,309.40 = 460,989.75/x - Step 3: Cross multiply
842,971.17x = 1,163,309.40 × 460,989.75 - Step 4: Simplify right side
842,971.17x = 536,273,709,478.65 - Step 5: Solve for x
x = 536,273,709,478.65/842,971.17 - Step 6: Final answer
x = 636,170.88
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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.