Finding the Fourth Proportional to 771,122.24, 1,064,372.64 and 469,862.72
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Solution
The fourth proportional to 771,122.24, 1,064,372.64 and 469,862.72 is: 648,547.01
Step by Step Solution
- Step 1: Write the proportion equation
771,122.24 : 1,064,372.64 = 469,862.72 : x - Step 2: Convert to fraction form
771,122.24/1,064,372.64 = 469,862.72/x - Step 3: Cross multiply
771,122.24x = 1,064,372.64 × 469,862.72 - Step 4: Simplify right side
771,122.24x = 500,109,023,723.98 - Step 5: Solve for x
x = 500,109,023,723.98/771,122.24 - Step 6: Final answer
x = 648,547.01
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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.