Finding the Fourth Proportional to 917,754.79, 1,266,537.16 and 627,973.80
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Solution
The fourth proportional to 917,754.79, 1,266,537.16 and 627,973.80 is: 866,628.17
Step by Step Solution
- Step 1: Write the proportion equation
917,754.79 : 1,266,537.16 = 627,973.80 : x - Step 2: Convert to fraction form
917,754.79/1,266,537.16 = 627,973.80/x - Step 3: Cross multiply
917,754.79x = 1,266,537.16 × 627,973.80 - Step 4: Simplify right side
917,754.79x = 795,352,153,206.41 - Step 5: Solve for x
x = 795,352,153,206.41/917,754.79 - Step 6: Final answer
x = 866,628.17
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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.