Finding the Fourth Proportional to 909,235.24, 1,255,282.26 and 808,354.12
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Solution
The fourth proportional to 909,235.24, 1,255,282.26 and 808,354.12 is: 1,116,006.66
Step by Step Solution
- Step 1: Write the proportion equation
909,235.24 : 1,255,282.26 = 808,354.12 : x - Step 2: Convert to fraction form
909,235.24/1,255,282.26 = 808,354.12/x - Step 3: Cross multiply
909,235.24x = 1,255,282.26 × 808,354.12 - Step 4: Simplify right side
909,235.24x = 1,014,712,586,633.91 - Step 5: Solve for x
x = 1,014,712,586,633.91/909,235.24 - Step 6: Final answer
x = 1,116,006.66
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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.