Finding the Fourth Proportional to 771,421.24, 1,064,480.26 and 427,248.14
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Solution
The fourth proportional to 771,421.24, 1,064,480.26 and 427,248.14 is: 589,557.54
Step by Step Solution
- Step 1: Write the proportion equation
771,421.24 : 1,064,480.26 = 427,248.14 : x - Step 2: Convert to fraction form
771,421.24/1,064,480.26 = 427,248.14/x - Step 3: Cross multiply
771,421.24x = 1,064,480.26 × 427,248.14 - Step 4: Simplify right side
771,421.24x = 454,797,211,151.72 - Step 5: Solve for x
x = 454,797,211,151.72/771,421.24 - Step 6: Final answer
x = 589,557.54
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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.