Finding the Fourth Proportional to 938,498.99, 1,295,078.73 and 530,576.44
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Solution
The fourth proportional to 938,498.99, 1,295,078.73 and 530,576.44 is: 732,167.29
Step by Step Solution
- Step 1: Write the proportion equation
938,498.99 : 1,295,078.73 = 530,576.44 : x - Step 2: Convert to fraction form
938,498.99/1,295,078.73 = 530,576.44/x - Step 3: Cross multiply
938,498.99x = 1,295,078.73 × 530,576.44 - Step 4: Simplify right side
938,498.99x = 687,138,267,125.07 - Step 5: Solve for x
x = 687,138,267,125.07/938,498.99 - Step 6: Final answer
x = 732,167.29
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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.