Finding the Fourth Proportional to 772,257.37, 1,158,373.64 and 239,778.92
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Solution
The fourth proportional to 772,257.37, 1,158,373.64 and 239,778.92 is: 359,664.53
Step by Step Solution
- Step 1: Write the proportion equation
772,257.37 : 1,158,373.64 = 239,778.92 : x - Step 2: Convert to fraction form
772,257.37/1,158,373.64 = 239,778.92/x - Step 3: Cross multiply
772,257.37x = 1,158,373.64 × 239,778.92 - Step 4: Simplify right side
772,257.37x = 277,753,580,355.67 - Step 5: Solve for x
x = 277,753,580,355.67/772,257.37 - Step 6: Final answer
x = 359,664.53
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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.