Finding the Fourth Proportional to 752,395.87, 1,128,630.71 and 303,056.06
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Solution
The fourth proportional to 752,395.87, 1,128,630.71 and 303,056.06 is: 454,598.96
Step by Step Solution
- Step 1: Write the proportion equation
752,395.87 : 1,128,630.71 = 303,056.06 : x - Step 2: Convert to fraction form
752,395.87/1,128,630.71 = 303,056.06/x - Step 3: Cross multiply
752,395.87x = 1,128,630.71 × 303,056.06 - Step 4: Simplify right side
752,395.87x = 342,038,374,652.32 - Step 5: Solve for x
x = 342,038,374,652.32/752,395.87 - Step 6: Final answer
x = 454,598.96
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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.