Finding the Fourth Proportional to 774,888.92, 1,069,273.35 and 430,683.99
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Solution
The fourth proportional to 774,888.92, 1,069,273.35 and 430,683.99 is: 594,303.14
Step by Step Solution
- Step 1: Write the proportion equation
774,888.92 : 1,069,273.35 = 430,683.99 : x - Step 2: Convert to fraction form
774,888.92/1,069,273.35 = 430,683.99/x - Step 3: Cross multiply
774,888.92x = 1,069,273.35 × 430,683.99 - Step 4: Simplify right side
774,888.92x = 460,518,912,778.67 - Step 5: Solve for x
x = 460,518,912,778.67/774,888.92 - Step 6: Final answer
x = 594,303.14
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.