Finding the Fourth Proportional to 931,988.62, 1,286,118.30 and 564,683.25
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Solution
The fourth proportional to 931,988.62, 1,286,118.30 and 564,683.25 is: 779,247.13
Step by Step Solution
- Step 1: Write the proportion equation
931,988.62 : 1,286,118.30 = 564,683.25 : x - Step 2: Convert to fraction form
931,988.62/1,286,118.30 = 564,683.25/x - Step 3: Cross multiply
931,988.62x = 1,286,118.30 × 564,683.25 - Step 4: Simplify right side
931,988.62x = 726,249,461,528.48 - Step 5: Solve for x
x = 726,249,461,528.48/931,988.62 - Step 6: Final answer
x = 779,247.13
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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.