Finding the Fourth Proportional to 572,942.36, 790,384.02 and 381,711.08
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Solution
The fourth proportional to 572,942.36, 790,384.02 and 381,711.08 is: 526,577.12
Step by Step Solution
- Step 1: Write the proportion equation
572,942.36 : 790,384.02 = 381,711.08 : x - Step 2: Convert to fraction form
572,942.36/790,384.02 = 381,711.08/x - Step 3: Cross multiply
572,942.36x = 790,384.02 × 381,711.08 - Step 4: Simplify right side
572,942.36x = 301,698,337,888.94 - Step 5: Solve for x
x = 301,698,337,888.94/572,942.36 - Step 6: Final answer
x = 526,577.12
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.