Finding the Fourth Proportional to 998,880.24, 1,378,589.59 and 563,386.98
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Solution
The fourth proportional to 998,880.24, 1,378,589.59 and 563,386.98 is: 777,550.10
Step by Step Solution
- Step 1: Write the proportion equation
998,880.24 : 1,378,589.59 = 563,386.98 : x - Step 2: Convert to fraction form
998,880.24/1,378,589.59 = 563,386.98/x - Step 3: Cross multiply
998,880.24x = 1,378,589.59 × 563,386.98 - Step 4: Simplify right side
998,880.24x = 776,679,425,769.54 - Step 5: Solve for x
x = 776,679,425,769.54/998,880.24 - Step 6: Final answer
x = 777,550.10
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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.