Finding the Fourth Proportional to 938,676.81, 1,295,293.91 and 530,758.65
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Solution
The fourth proportional to 938,676.81, 1,295,293.91 and 530,758.65 is: 732,401.65
Step by Step Solution
- Step 1: Write the proportion equation
938,676.81 : 1,295,293.91 = 530,758.65 : x - Step 2: Convert to fraction form
938,676.81/1,295,293.91 = 530,758.65/x - Step 3: Cross multiply
938,676.81x = 1,295,293.91 × 530,758.65 - Step 4: Simplify right side
938,676.81x = 687,488,444,371.03 - Step 5: Solve for x
x = 687,488,444,371.03/938,676.81 - Step 6: Final answer
x = 732,401.65
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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.