Finding the Fourth Proportional to 746,237.71, 1,029,678.94 and 440,290.99
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Solution
The fourth proportional to 746,237.71, 1,029,678.94 and 440,290.99 is: 607,525.39
Step by Step Solution
- Step 1: Write the proportion equation
746,237.71 : 1,029,678.94 = 440,290.99 : x - Step 2: Convert to fraction form
746,237.71/1,029,678.94 = 440,290.99/x - Step 3: Cross multiply
746,237.71x = 1,029,678.94 × 440,290.99 - Step 4: Simplify right side
746,237.71x = 453,358,359,235.58 - Step 5: Solve for x
x = 453,358,359,235.58/746,237.71 - Step 6: Final answer
x = 607,525.39
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1.5x scale
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.