Finding the Fourth Proportional to 571,485.36, 788,652.96 and 329,778.08
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Solution
The fourth proportional to 571,485.36, 788,652.96 and 329,778.08 is: 455,095.58
Step by Step Solution
- Step 1: Write the proportion equation
571,485.36 : 788,652.96 = 329,778.08 : x - Step 2: Convert to fraction form
571,485.36/788,652.96 = 329,778.08/x - Step 3: Cross multiply
571,485.36x = 788,652.96 × 329,778.08 - Step 4: Simplify right side
571,485.36x = 260,080,458,935.12 - Step 5: Solve for x
x = 260,080,458,935.12/571,485.36 - Step 6: Final answer
x = 455,095.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.