Finding the Fourth Proportional to 938,537.06, 1,296,250.35 and 636,206.18
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Solution
The fourth proportional to 938,537.06, 1,296,250.35 and 636,206.18 is: 878,689.31
Step by Step Solution
- Step 1: Write the proportion equation
938,537.06 : 1,296,250.35 = 636,206.18 : x - Step 2: Convert to fraction form
938,537.06/1,296,250.35 = 636,206.18/x - Step 3: Cross multiply
938,537.06x = 1,296,250.35 × 636,206.18 - Step 4: Simplify right side
938,537.06x = 824,682,483,497.16 - Step 5: Solve for x
x = 824,682,483,497.16/938,537.06 - Step 6: Final answer
x = 878,689.31
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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.