Finding the Fourth Proportional to 609,682.74, 841,772.79 and 380,588.82
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Solution
The fourth proportional to 609,682.74, 841,772.79 and 380,588.82 is: 525,468.89
Step by Step Solution
- Step 1: Write the proportion equation
609,682.74 : 841,772.79 = 380,588.82 : x - Step 2: Convert to fraction form
609,682.74/841,772.79 = 380,588.82/x - Step 3: Cross multiply
609,682.74x = 841,772.79 × 380,588.82 - Step 4: Simplify right side
609,682.74x = 320,369,312,854.21 - Step 5: Solve for x
x = 320,369,312,854.21/609,682.74 - Step 6: Final answer
x = 525,468.89
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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.