Finding the Fourth Proportional to 774,888.42, 1,069,272.67 and 430,683.49
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Solution
The fourth proportional to 774,888.42, 1,069,272.67 and 430,683.49 is: 594,302.45
Step by Step Solution
- Step 1: Write the proportion equation
774,888.42 : 1,069,272.67 = 430,683.49 : x - Step 2: Convert to fraction form
774,888.42/1,069,272.67 = 430,683.49/x - Step 3: Cross multiply
774,888.42x = 1,069,272.67 × 430,683.49 - Step 4: Simplify right side
774,888.42x = 460,518,085,277.22 - Step 5: Solve for x
x = 460,518,085,277.22/774,888.42 - Step 6: Final answer
x = 594,302.45
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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.