Finding the Fourth Proportional to 943,152.41, 1,301,550.53 and 513,432.42
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Solution
The fourth proportional to 943,152.41, 1,301,550.53 and 513,432.42 is: 708,536.85
Step by Step Solution
- Step 1: Write the proportion equation
943,152.41 : 1,301,550.53 = 513,432.42 : x - Step 2: Convert to fraction form
943,152.41/1,301,550.53 = 513,432.42/x - Step 3: Cross multiply
943,152.41x = 1,301,550.53 × 513,432.42 - Step 4: Simplify right side
943,152.41x = 668,258,238,243.43 - Step 5: Solve for x
x = 668,258,238,243.43/943,152.41 - Step 6: Final answer
x = 708,536.85
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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.