Finding the Fourth Proportional to 499,077.36, 747,908.36 and 386,232.28
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Solution
The fourth proportional to 499,077.36, 747,908.36 and 386,232.28 is: 578,800.75
Step by Step Solution
- Step 1: Write the proportion equation
499,077.36 : 747,908.36 = 386,232.28 : x - Step 2: Convert to fraction form
499,077.36/747,908.36 = 386,232.28/x - Step 3: Cross multiply
499,077.36x = 747,908.36 × 386,232.28 - Step 4: Simplify right side
499,077.36x = 288,866,351,113.86 - Step 5: Solve for x
x = 288,866,351,113.86/499,077.36 - Step 6: Final answer
x = 578,800.75
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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.