Finding the Fourth Proportional to 999,780.84, 1,379,733.06 and 564,304.21
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Solution
The fourth proportional to 999,780.84, 1,379,733.06 and 564,304.21 is: 778,759.85
Step by Step Solution
- Step 1: Write the proportion equation
999,780.84 : 1,379,733.06 = 564,304.21 : x - Step 2: Convert to fraction form
999,780.84/1,379,733.06 = 564,304.21/x - Step 3: Cross multiply
999,780.84x = 1,379,733.06 × 564,304.21 - Step 4: Simplify right side
999,780.84x = 778,589,174,434.18 - Step 5: Solve for x
x = 778,589,174,434.18/999,780.84 - Step 6: Final answer
x = 778,759.85
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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.