Finding the Fourth Proportional to 564,683.76, 779,276.16 and 310,035.96
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Solution
The fourth proportional to 564,683.76, 779,276.16 and 310,035.96 is: 427,856.53
Step by Step Solution
- Step 1: Write the proportion equation
564,683.76 : 779,276.16 = 310,035.96 : x - Step 2: Convert to fraction form
564,683.76/779,276.16 = 310,035.96/x - Step 3: Cross multiply
564,683.76x = 779,276.16 × 310,035.96 - Step 4: Simplify right side
564,683.76x = 241,603,632,370.71 - Step 5: Solve for x
x = 241,603,632,370.71/564,683.76 - Step 6: Final answer
x = 427,856.53
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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.