Finding the Fourth Proportional to 804,831.30, 1,207,246.95 and 243,865.80
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Solution
The fourth proportional to 804,831.30, 1,207,246.95 and 243,865.80 is: 365,798.70
Step by Step Solution
- Step 1: Write the proportion equation
804,831.30 : 1,207,246.95 = 243,865.80 : x - Step 2: Convert to fraction form
804,831.30/1,207,246.95 = 243,865.80/x - Step 3: Cross multiply
804,831.30x = 1,207,246.95 × 243,865.80 - Step 4: Simplify right side
804,831.30x = 294,406,243,259.31 - Step 5: Solve for x
x = 294,406,243,259.31/804,831.30 - Step 6: Final answer
x = 365,798.70
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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.