Finding the Fourth Proportional to 691,698.69, 1,037,868.80 and 292,432.68
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Solution
The fourth proportional to 691,698.69, 1,037,868.80 and 292,432.68 is: 438,784.63
Step by Step Solution
- Step 1: Write the proportion equation
691,698.69 : 1,037,868.80 = 292,432.68 : x - Step 2: Convert to fraction form
691,698.69/1,037,868.80 = 292,432.68/x - Step 3: Cross multiply
691,698.69x = 1,037,868.80 × 292,432.68 - Step 4: Simplify right side
691,698.69x = 303,506,753,210.22 - Step 5: Solve for x
x = 303,506,753,210.22/691,698.69 - Step 6: Final answer
x = 438,784.63
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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.