Finding the Fourth Proportional to 877,266.30, 1,315,702.62 and 403,496.49
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Solution
The fourth proportional to 877,266.30, 1,315,702.62 and 403,496.49 is: 605,154.20
Step by Step Solution
- Step 1: Write the proportion equation
877,266.30 : 1,315,702.62 = 403,496.49 : x - Step 2: Convert to fraction form
877,266.30/1,315,702.62 = 403,496.49/x - Step 3: Cross multiply
877,266.30x = 1,315,702.62 × 403,496.49 - Step 4: Simplify right side
877,266.30x = 530,881,389,053.80 - Step 5: Solve for x
x = 530,881,389,053.80/877,266.30 - Step 6: Final answer
x = 605,154.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.