Finding the Fourth Proportional to 559,701.80, 839,552.70 and 489,717.80
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Solution
The fourth proportional to 559,701.80, 839,552.70 and 489,717.80 is: 734,576.70
Step by Step Solution
- Step 1: Write the proportion equation
559,701.80 : 839,552.70 = 489,717.80 : x - Step 2: Convert to fraction form
559,701.80/839,552.70 = 489,717.80/x - Step 3: Cross multiply
559,701.80x = 839,552.70 × 489,717.80 - Step 4: Simplify right side
559,701.80x = 411,143,901,228.06 - Step 5: Solve for x
x = 411,143,901,228.06/559,701.80 - Step 6: Final answer
x = 734,576.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.