Finding the Fourth Proportional to 507,478.08, 700,394.34 and 292,576.14
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Solution
The fourth proportional to 507,478.08, 700,394.34 and 292,576.14 is: 403,798.08
Step by Step Solution
- Step 1: Write the proportion equation
507,478.08 : 700,394.34 = 292,576.14 : x - Step 2: Convert to fraction form
507,478.08/700,394.34 = 292,576.14/x - Step 3: Cross multiply
507,478.08x = 700,394.34 × 292,576.14 - Step 4: Simplify right side
507,478.08x = 204,918,672,475.05 - Step 5: Solve for x
x = 204,918,672,475.05/507,478.08 - Step 6: Final answer
x = 403,798.08
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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.