Finding the Fourth Proportional to 860,683.74, 1,290,153.78 and 432,927.06
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Solution
The fourth proportional to 860,683.74, 1,290,153.78 and 432,927.06 is: 648,952.06
Step by Step Solution
- Step 1: Write the proportion equation
860,683.74 : 1,290,153.78 = 432,927.06 : x - Step 2: Convert to fraction form
860,683.74/1,290,153.78 = 432,927.06/x - Step 3: Cross multiply
860,683.74x = 1,290,153.78 × 432,927.06 - Step 4: Simplify right side
860,683.74x = 558,542,482,923.29 - Step 5: Solve for x
x = 558,542,482,923.29/860,683.74 - Step 6: Final answer
x = 648,952.06
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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.