Finding the Fourth Proportional to 539,059.10, 807,616.65 and 257,956.70
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Solution
The fourth proportional to 539,059.10, 807,616.65 and 257,956.70 is: 386,469.92
Step by Step Solution
- Step 1: Write the proportion equation
539,059.10 : 807,616.65 = 257,956.70 : x - Step 2: Convert to fraction form
539,059.10/807,616.65 = 257,956.70/x - Step 3: Cross multiply
539,059.10x = 807,616.65 × 257,956.70 - Step 4: Simplify right side
539,059.10x = 208,330,125,899.06 - Step 5: Solve for x
x = 208,330,125,899.06/539,059.10 - Step 6: Final answer
x = 386,469.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.