Finding the Fourth Proportional to 771,723.34, 1,157,628.75 and 239,320.06
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Solution
The fourth proportional to 771,723.34, 1,157,628.75 and 239,320.06 is: 358,993.65
Step by Step Solution
- Step 1: Write the proportion equation
771,723.34 : 1,157,628.75 = 239,320.06 : x - Step 2: Convert to fraction form
771,723.34/1,157,628.75 = 239,320.06/x - Step 3: Cross multiply
771,723.34x = 1,157,628.75 × 239,320.06 - Step 4: Simplify right side
771,723.34x = 277,043,778,116.20 - Step 5: Solve for x
x = 277,043,778,116.20/771,723.34 - Step 6: Final answer
x = 358,993.65
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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.