Finding the Fourth Proportional to 885,986.99, 1,224,261.38 and 630,895.31
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Solution
The fourth proportional to 885,986.99, 1,224,261.38 and 630,895.31 is: 871,774.38
Step by Step Solution
- Step 1: Write the proportion equation
885,986.99 : 1,224,261.38 = 630,895.31 : x - Step 2: Convert to fraction form
885,986.99/1,224,261.38 = 630,895.31/x - Step 3: Cross multiply
885,986.99x = 1,224,261.38 × 630,895.31 - Step 4: Simplify right side
885,986.99x = 772,380,762,856.13 - Step 5: Solve for x
x = 772,380,762,856.13/885,986.99 - Step 6: Final answer
x = 871,774.38
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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.