Finding the Fourth Proportional to 903,899.21, 1,247,377.47 and 496,007.88
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Solution
The fourth proportional to 903,899.21, 1,247,377.47 and 496,007.88 is: 684,488.99
Step by Step Solution
- Step 1: Write the proportion equation
903,899.21 : 1,247,377.47 = 496,007.88 : x - Step 2: Convert to fraction form
903,899.21/1,247,377.47 = 496,007.88/x - Step 3: Cross multiply
903,899.21x = 1,247,377.47 × 496,007.88 - Step 4: Simplify right side
903,899.21x = 618,709,054,215.06 - Step 5: Solve for x
x = 618,709,054,215.06/903,899.21 - Step 6: Final answer
x = 684,488.99
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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.