Finding the Fourth Proportional to 885,187.74, 1,327,456.30 and 316,415.36
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Solution
The fourth proportional to 885,187.74, 1,327,456.30 and 316,415.36 is: 474,506.76
Step by Step Solution
- Step 1: Write the proportion equation
885,187.74 : 1,327,456.30 = 316,415.36 : x - Step 2: Convert to fraction form
885,187.74/1,327,456.30 = 316,415.36/x - Step 3: Cross multiply
885,187.74x = 1,327,456.30 × 316,415.36 - Step 4: Simplify right side
885,187.74x = 420,027,566,169.65 - Step 5: Solve for x
x = 420,027,566,169.65/885,187.74 - Step 6: Final answer
x = 474,506.76
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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.