Finding the Fourth Proportional to 915,397.70, 1,263,323.66 and 507,627.44
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Solution
The fourth proportional to 915,397.70, 1,263,323.66 and 507,627.44 is: 700,567.37
Step by Step Solution
- Step 1: Write the proportion equation
915,397.70 : 1,263,323.66 = 507,627.44 : x - Step 2: Convert to fraction form
915,397.70/1,263,323.66 = 507,627.44/x - Step 3: Cross multiply
915,397.70x = 1,263,323.66 × 507,627.44 - Step 4: Simplify right side
915,397.70x = 641,297,755,417.23 - Step 5: Solve for x
x = 641,297,755,417.23/915,397.70 - Step 6: Final answer
x = 700,567.37
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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.