Finding the Fourth Proportional to 773,543.06, 1,160,312.99 and 436,430.68
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Solution
The fourth proportional to 773,543.06, 1,160,312.99 and 436,430.68 is: 654,645.11
Step by Step Solution
- Step 1: Write the proportion equation
773,543.06 : 1,160,312.99 = 436,430.68 : x - Step 2: Convert to fraction form
773,543.06/1,160,312.99 = 436,430.68/x - Step 3: Cross multiply
773,543.06x = 1,160,312.99 × 436,430.68 - Step 4: Simplify right side
773,543.06x = 506,396,185,428.83 - Step 5: Solve for x
x = 506,396,185,428.83/773,543.06 - Step 6: Final answer
x = 654,645.11
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.