Finding the Fourth Proportional to 879,252.80, 1,319,316.60 and 346,791.20
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Solution
The fourth proportional to 879,252.80, 1,319,316.60 and 346,791.20 is: 520,359.32
Step by Step Solution
- Step 1: Write the proportion equation
879,252.80 : 1,319,316.60 = 346,791.20 : x - Step 2: Convert to fraction form
879,252.80/1,319,316.60 = 346,791.20/x - Step 3: Cross multiply
879,252.80x = 1,319,316.60 × 346,791.20 - Step 4: Simplify right side
879,252.80x = 457,527,386,893.92 - Step 5: Solve for x
x = 457,527,386,893.92/879,252.80 - Step 6: Final answer
x = 520,359.32
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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.