Finding the Fourth Proportional to 493,390.56, 680,895.48 and 302,367.05
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Solution
The fourth proportional to 493,390.56, 680,895.48 and 302,367.05 is: 417,276.65
Step by Step Solution
- Step 1: Write the proportion equation
493,390.56 : 680,895.48 = 302,367.05 : x - Step 2: Convert to fraction form
493,390.56/680,895.48 = 302,367.05/x - Step 3: Cross multiply
493,390.56x = 680,895.48 × 302,367.05 - Step 4: Simplify right side
493,390.56x = 205,880,357,645.93 - Step 5: Solve for x
x = 205,880,357,645.93/493,390.56 - Step 6: Final answer
x = 417,276.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.