Finding the Fourth Proportional to 746,555.35, 1,030,201.98 and 424,220.71
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Solution
The fourth proportional to 746,555.35, 1,030,201.98 and 424,220.71 is: 585,399.35
Step by Step Solution
- Step 1: Write the proportion equation
746,555.35 : 1,030,201.98 = 424,220.71 : x - Step 2: Convert to fraction form
746,555.35/1,030,201.98 = 424,220.71/x - Step 3: Cross multiply
746,555.35x = 1,030,201.98 × 424,220.71 - Step 4: Simplify right side
746,555.35x = 437,033,015,399.01 - Step 5: Solve for x
x = 437,033,015,399.01/746,555.35 - Step 6: Final answer
x = 585,399.35
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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.