Finding the Fourth Proportional to 977,266.16, 1,348,603.80 and 547,564.40
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Solution
The fourth proportional to 977,266.16, 1,348,603.80 and 547,564.40 is: 755,625.70
Step by Step Solution
- Step 1: Write the proportion equation
977,266.16 : 1,348,603.80 = 547,564.40 : x - Step 2: Convert to fraction form
977,266.16/1,348,603.80 = 547,564.40/x - Step 3: Cross multiply
977,266.16x = 1,348,603.80 × 547,564.40 - Step 4: Simplify right side
977,266.16x = 738,447,430,584.72 - Step 5: Solve for x
x = 738,447,430,584.72/977,266.16 - Step 6: Final answer
x = 755,625.70
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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.