Finding the Fourth Proportional to 518,750.40, 776,871.60 and 429,345.84
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Solution
The fourth proportional to 518,750.40, 776,871.60 and 429,345.84 is: 642,980.88
Step by Step Solution
- Step 1: Write the proportion equation
518,750.40 : 776,871.60 = 429,345.84 : x - Step 2: Convert to fraction form
518,750.40/776,871.60 = 429,345.84/x - Step 3: Cross multiply
518,750.40x = 776,871.60 × 429,345.84 - Step 4: Simplify right side
518,750.40x = 333,546,589,674.14 - Step 5: Solve for x
x = 333,546,589,674.14/518,750.40 - Step 6: Final answer
x = 642,980.88
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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.