Finding the Fourth Proportional to 855,682.79, 1,281,679.00 and 805,377.53
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Solution
The fourth proportional to 855,682.79, 1,281,679.00 and 805,377.53 is: 1,206,329.60
Step by Step Solution
- Step 1: Write the proportion equation
855,682.79 : 1,281,679.00 = 805,377.53 : x - Step 2: Convert to fraction form
855,682.79/1,281,679.00 = 805,377.53/x - Step 3: Cross multiply
855,682.79x = 1,281,679.00 × 805,377.53 - Step 4: Simplify right side
855,682.79x = 1,032,235,468,463.62 - Step 5: Solve for x
x = 1,032,235,468,463.62/855,682.79 - Step 6: Final answer
x = 1,206,329.60
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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.