Finding the Fourth Proportional to 944,290.53, 1,303,120.98 and 514,570.55
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Solution
The fourth proportional to 944,290.53, 1,303,120.98 and 514,570.55 is: 710,107.38
Step by Step Solution
- Step 1: Write the proportion equation
944,290.53 : 1,303,120.98 = 514,570.55 : x - Step 2: Convert to fraction form
944,290.53/1,303,120.98 = 514,570.55/x - Step 3: Cross multiply
944,290.53x = 1,303,120.98 × 514,570.55 - Step 4: Simplify right side
944,290.53x = 670,547,672,879.53 - Step 5: Solve for x
x = 670,547,672,879.53/944,290.53 - Step 6: Final answer
x = 710,107.38
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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.