Finding the Fourth Proportional to 507,487.05, 700,406.73 and 292,585.14
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Solution
The fourth proportional to 507,487.05, 700,406.73 and 292,585.14 is: 403,810.50
Step by Step Solution
- Step 1: Write the proportion equation
507,487.05 : 700,406.73 = 292,585.14 : x - Step 2: Convert to fraction form
507,487.05/700,406.73 = 292,585.14/x - Step 3: Cross multiply
507,487.05x = 700,406.73 × 292,585.14 - Step 4: Simplify right side
507,487.05x = 204,928,601,153.99 - Step 5: Solve for x
x = 204,928,601,153.99/507,487.05 - Step 6: Final answer
x = 403,810.50
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1.5x scale
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.