Finding the Fourth Proportional to 527,458.65, 790,669.58 and 471,471.45
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Solution
The fourth proportional to 527,458.65, 790,669.58 and 471,471.45 is: 706,743.80
Step by Step Solution
- Step 1: Write the proportion equation
527,458.65 : 790,669.58 = 471,471.45 : x - Step 2: Convert to fraction form
527,458.65/790,669.58 = 471,471.45/x - Step 3: Cross multiply
527,458.65x = 790,669.58 × 471,471.45 - Step 4: Simplify right side
527,458.65x = 372,778,130,996.13 - Step 5: Solve for x
x = 372,778,130,996.13/527,458.65 - Step 6: Final answer
x = 706,743.80
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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.