Finding the Fourth Proportional to 905,569.92, 1,249,692.48 and 566,236.80
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Solution
The fourth proportional to 905,569.92, 1,249,692.48 and 566,236.80 is: 781,410.53
Step by Step Solution
- Step 1: Write the proportion equation
905,569.92 : 1,249,692.48 = 566,236.80 : x - Step 2: Convert to fraction form
905,569.92/1,249,692.48 = 566,236.80/x - Step 3: Cross multiply
905,569.92x = 1,249,692.48 × 566,236.80 - Step 4: Simplify right side
905,569.92x = 707,621,870,859.26 - Step 5: Solve for x
x = 707,621,870,859.26/905,569.92 - Step 6: Final answer
x = 781,410.53
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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.