Finding the Fourth Proportional to 869,110.90, 1,303,228.95 and 514,233.70
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Solution
The fourth proportional to 869,110.90, 1,303,228.95 and 514,233.70 is: 771,091.75
Step by Step Solution
- Step 1: Write the proportion equation
869,110.90 : 1,303,228.95 = 514,233.70 : x - Step 2: Convert to fraction form
869,110.90/1,303,228.95 = 514,233.70/x - Step 3: Cross multiply
869,110.90x = 1,303,228.95 × 514,233.70 - Step 4: Simplify right side
869,110.90x = 670,164,244,905.62 - Step 5: Solve for x
x = 670,164,244,905.62/869,110.90 - Step 6: Final answer
x = 771,091.75
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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.