Finding the Fourth Proportional to 805,530.40, 1,206,913.20 and 524,903.20
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Solution
The fourth proportional to 805,530.40, 1,206,913.20 and 524,903.20 is: 786,453.99
Step by Step Solution
- Step 1: Write the proportion equation
805,530.40 : 1,206,913.20 = 524,903.20 : x - Step 2: Convert to fraction form
805,530.40/1,206,913.20 = 524,903.20/x - Step 3: Cross multiply
805,530.40x = 1,206,913.20 × 524,903.20 - Step 4: Simplify right side
805,530.40x = 633,512,600,802.24 - Step 5: Solve for x
x = 633,512,600,802.24/805,530.40 - Step 6: Final answer
x = 786,453.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.