Finding the Fourth Proportional to 934,278.08, 1,289,305.20 and 531,870.08
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Solution
The fourth proportional to 934,278.08, 1,289,305.20 and 531,870.08 is: 733,981.54
Step by Step Solution
- Step 1: Write the proportion equation
934,278.08 : 1,289,305.20 = 531,870.08 : x - Step 2: Convert to fraction form
934,278.08/1,289,305.20 = 531,870.08/x - Step 3: Cross multiply
934,278.08x = 1,289,305.20 × 531,870.08 - Step 4: Simplify right side
934,278.08x = 685,742,859,868.42 - Step 5: Solve for x
x = 685,742,859,868.42/934,278.08 - Step 6: Final answer
x = 733,981.54
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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.