Finding the Fourth Proportional to 804,386.08, 1,109,642.20 and 513,692.08
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Solution
The fourth proportional to 804,386.08, 1,109,642.20 and 513,692.08 is: 708,632.86
Step by Step Solution
- Step 1: Write the proportion equation
804,386.08 : 1,109,642.20 = 513,692.08 : x - Step 2: Convert to fraction form
804,386.08/1,109,642.20 = 513,692.08/x - Step 3: Cross multiply
804,386.08x = 1,109,642.20 × 513,692.08 - Step 4: Simplify right side
804,386.08x = 570,014,409,773.78 - Step 5: Solve for x
x = 570,014,409,773.78/804,386.08 - Step 6: Final answer
x = 708,632.86
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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.