Finding the Fourth Proportional to 935,810.36, 1,291,422.17 and 506,090.49
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Solution
The fourth proportional to 935,810.36, 1,291,422.17 and 506,090.49 is: 698,406.97
Step by Step Solution
- Step 1: Write the proportion equation
935,810.36 : 1,291,422.17 = 506,090.49 : x - Step 2: Convert to fraction form
935,810.36/1,291,422.17 = 506,090.49/x - Step 3: Cross multiply
935,810.36x = 1,291,422.17 × 506,090.49 - Step 4: Simplify right side
935,810.36x = 653,576,476,281.71 - Step 5: Solve for x
x = 653,576,476,281.71/935,810.36 - Step 6: Final answer
x = 698,406.97
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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.