Finding the Fourth Proportional to 788,264.95, 1,087,805.61 and 425,688.79
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Solution
The fourth proportional to 788,264.95, 1,087,805.61 and 425,688.79 is: 587,450.52
Step by Step Solution
- Step 1: Write the proportion equation
788,264.95 : 1,087,805.61 = 425,688.79 : x - Step 2: Convert to fraction form
788,264.95/1,087,805.61 = 425,688.79/x - Step 3: Cross multiply
788,264.95x = 1,087,805.61 × 425,688.79 - Step 4: Simplify right side
788,264.95x = 463,066,653,876.11 - Step 5: Solve for x
x = 463,066,653,876.11/788,264.95 - Step 6: Final answer
x = 587,450.52
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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.