Finding the Fourth Proportional to 749,147.21, 1,033,578.14 and 458,455.74
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Solution
The fourth proportional to 749,147.21, 1,033,578.14 and 458,455.74 is: 632,518.98
Step by Step Solution
- Step 1: Write the proportion equation
749,147.21 : 1,033,578.14 = 458,455.74 : x - Step 2: Convert to fraction form
749,147.21/1,033,578.14 = 458,455.74/x - Step 3: Cross multiply
749,147.21x = 1,033,578.14 × 458,455.74 - Step 4: Simplify right side
749,147.21x = 473,849,825,853.63 - Step 5: Solve for x
x = 473,849,825,853.63/749,147.21 - Step 6: Final answer
x = 632,518.98
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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.