Finding the Fourth Proportional to 746,649.09, 1,119,973.37 and 185,683.59
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Solution
The fourth proportional to 746,649.09, 1,119,973.37 and 185,683.59 is: 278,525.32
Step by Step Solution
- Step 1: Write the proportion equation
746,649.09 : 1,119,973.37 = 185,683.59 : x - Step 2: Convert to fraction form
746,649.09/1,119,973.37 = 185,683.59/x - Step 3: Cross multiply
746,649.09x = 1,119,973.37 × 185,683.59 - Step 4: Simplify right side
746,649.09x = 207,960,675,117.58 - Step 5: Solve for x
x = 207,960,675,117.58/746,649.09 - Step 6: Final answer
x = 278,525.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.