Finding the Fourth Proportional to 745,913.99, 1,029,362.49 and 423,623.90
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Solution
The fourth proportional to 745,913.99, 1,029,362.49 and 423,623.90 is: 584,601.65
Step by Step Solution
- Step 1: Write the proportion equation
745,913.99 : 1,029,362.49 = 423,623.90 : x - Step 2: Convert to fraction form
745,913.99/1,029,362.49 = 423,623.90/x - Step 3: Cross multiply
745,913.99x = 1,029,362.49 × 423,623.90 - Step 4: Simplify right side
745,913.99x = 436,062,547,380.70 - Step 5: Solve for x
x = 436,062,547,380.70/745,913.99 - Step 6: Final answer
x = 584,601.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.