Finding the Fourth Proportional to 938,549.74, 1,295,181.74 and 530,644.54
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Solution
The fourth proportional to 938,549.74, 1,295,181.74 and 530,644.54 is: 732,279.91
Step by Step Solution
- Step 1: Write the proportion equation
938,549.74 : 1,295,181.74 = 530,644.54 : x - Step 2: Convert to fraction form
938,549.74/1,295,181.74 = 530,644.54/x - Step 3: Cross multiply
938,549.74x = 1,295,181.74 × 530,644.54 - Step 4: Simplify right side
938,549.74x = 687,281,118,638.70 - Step 5: Solve for x
x = 687,281,118,638.70/938,549.74 - Step 6: Final answer
x = 732,279.91
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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.