Finding the Fourth Proportional to 935,851.68, 1,291,476.17 and 506,131.81
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Solution
The fourth proportional to 935,851.68, 1,291,476.17 and 506,131.81 is: 698,462.36
Step by Step Solution
- Step 1: Write the proportion equation
935,851.68 : 1,291,476.17 = 506,131.81 : x - Step 2: Convert to fraction form
935,851.68/1,291,476.17 = 506,131.81/x - Step 3: Cross multiply
935,851.68x = 1,291,476.17 × 506,131.81 - Step 4: Simplify right side
935,851.68x = 653,657,169,530.61 - Step 5: Solve for x
x = 653,657,169,530.61/935,851.68 - Step 6: Final answer
x = 698,462.36
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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.