Finding the Fourth Proportional to 759,490.10, 1,138,238.58 and 558,871.10
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Solution
The fourth proportional to 759,490.10, 1,138,238.58 and 558,871.10 is: 837,573.32
Step by Step Solution
- Step 1: Write the proportion equation
759,490.10 : 1,138,238.58 = 558,871.10 : x - Step 2: Convert to fraction form
759,490.10/1,138,238.58 = 558,871.10/x - Step 3: Cross multiply
759,490.10x = 1,138,238.58 × 558,871.10 - Step 4: Simplify right side
759,490.10x = 636,128,647,267.04 - Step 5: Solve for x
x = 636,128,647,267.04/759,490.10 - Step 6: Final answer
x = 837,573.32
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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.