Finding the Fourth Proportional to 713,540.08, 1,070,173.80 and 358,455.52
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Solution
The fourth proportional to 713,540.08, 1,070,173.80 and 358,455.52 is: 537,614.80
Step by Step Solution
- Step 1: Write the proportion equation
713,540.08 : 1,070,173.80 = 358,455.52 : x - Step 2: Convert to fraction form
713,540.08/1,070,173.80 = 358,455.52/x - Step 3: Cross multiply
713,540.08x = 1,070,173.80 × 358,455.52 - Step 4: Simplify right side
713,540.08x = 383,609,705,969.38 - Step 5: Solve for x
x = 383,609,705,969.38/713,540.08 - Step 6: Final answer
x = 537,614.80
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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.