Finding the Fourth Proportional to 749,202.99, 1,032,487.57 and 542,120.91
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Solution
The fourth proportional to 749,202.99, 1,032,487.57 and 542,120.91 is: 747,104.73
Step by Step Solution
- Step 1: Write the proportion equation
749,202.99 : 1,032,487.57 = 542,120.91 : x - Step 2: Convert to fraction form
749,202.99/1,032,487.57 = 542,120.91/x - Step 3: Cross multiply
749,202.99x = 1,032,487.57 × 542,120.91 - Step 4: Simplify right side
749,202.99x = 559,733,101,012.09 - Step 5: Solve for x
x = 559,733,101,012.09/749,202.99 - Step 6: Final answer
x = 747,104.73
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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.