Finding the Fourth Proportional to 762,673.08, 1,052,488.98 and 423,140.52
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Solution
The fourth proportional to 762,673.08, 1,052,488.98 and 423,140.52 is: 583,933.99
Step by Step Solution
- Step 1: Write the proportion equation
762,673.08 : 1,052,488.98 = 423,140.52 : x - Step 2: Convert to fraction form
762,673.08/1,052,488.98 = 423,140.52/x - Step 3: Cross multiply
762,673.08x = 1,052,488.98 × 423,140.52 - Step 4: Simplify right side
762,673.08x = 445,350,734,291.47 - Step 5: Solve for x
x = 445,350,734,291.47/762,673.08 - Step 6: Final answer
x = 583,933.99
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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.