Finding the Fourth Proportional to 993,863.76, 1,371,841.56 and 564,429.84
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Solution
The fourth proportional to 993,863.76, 1,371,841.56 and 564,429.84 is: 779,088.99
Step by Step Solution
- Step 1: Write the proportion equation
993,863.76 : 1,371,841.56 = 564,429.84 : x - Step 2: Convert to fraction form
993,863.76/1,371,841.56 = 564,429.84/x - Step 3: Cross multiply
993,863.76x = 1,371,841.56 × 564,429.84 - Step 4: Simplify right side
993,863.76x = 774,308,312,216.15 - Step 5: Solve for x
x = 774,308,312,216.15/993,863.76 - Step 6: Final answer
x = 779,088.99
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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.