Finding the Fourth Proportional to 539,512.10, 744,526.76 and 297,794.76
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Solution
The fourth proportional to 539,512.10, 744,526.76 and 297,794.76 is: 410,956.80
Step by Step Solution
- Step 1: Write the proportion equation
539,512.10 : 744,526.76 = 297,794.76 : x - Step 2: Convert to fraction form
539,512.10/744,526.76 = 297,794.76/x - Step 3: Cross multiply
539,512.10x = 744,526.76 × 297,794.76 - Step 4: Simplify right side
539,512.10x = 221,716,167,807.78 - Step 5: Solve for x
x = 221,716,167,807.78/539,512.10 - Step 6: Final answer
x = 410,956.80
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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.