Finding the Fourth Proportional to 526,850.60, 787,943.10 and 442,869.80
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Solution
The fourth proportional to 526,850.60, 787,943.10 and 442,869.80 is: 662,343.75
Step by Step Solution
- Step 1: Write the proportion equation
526,850.60 : 787,943.10 = 442,869.80 : x - Step 2: Convert to fraction form
526,850.60/787,943.10 = 442,869.80/x - Step 3: Cross multiply
526,850.60x = 787,943.10 × 442,869.80 - Step 4: Simplify right side
526,850.60x = 348,956,203,108.38 - Step 5: Solve for x
x = 348,956,203,108.38/526,850.60 - Step 6: Final answer
x = 662,343.75
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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.