Finding the Fourth Proportional to 722,965.95, 1,083,308.28 and 266,930.08
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Solution
The fourth proportional to 722,965.95, 1,083,308.28 and 266,930.08 is: 399,973.98
Step by Step Solution
- Step 1: Write the proportion equation
722,965.95 : 1,083,308.28 = 266,930.08 : x - Step 2: Convert to fraction form
722,965.95/1,083,308.28 = 266,930.08/x - Step 3: Cross multiply
722,965.95x = 1,083,308.28 × 266,930.08 - Step 4: Simplify right side
722,965.95x = 289,167,565,845.06 - Step 5: Solve for x
x = 289,167,565,845.06/722,965.95 - Step 6: Final answer
x = 399,973.98
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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.