Finding the Fourth Proportional to 618,856.77, 926,343.99 and 425,603.73
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Solution
The fourth proportional to 618,856.77, 926,343.99 and 425,603.73 is: 637,070.61
Step by Step Solution
- Step 1: Write the proportion equation
618,856.77 : 926,343.99 = 425,603.73 : x - Step 2: Convert to fraction form
618,856.77/926,343.99 = 425,603.73/x - Step 3: Cross multiply
618,856.77x = 926,343.99 × 425,603.73 - Step 4: Simplify right side
618,856.77x = 394,255,457,407.08 - Step 5: Solve for x
x = 394,255,457,407.08/618,856.77 - Step 6: Final answer
x = 637,070.61
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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.