Finding the Fourth Proportional to 900,090.68, 1,242,122 and 507,592.44
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Solution
The fourth proportional to 900,090.68, 1,242,122 and 507,592.44 is: 700,475.80
Step by Step Solution
- Step 1: Write the proportion equation
900,090.68 : 1,242,122 = 507,592.44 : x - Step 2: Convert to fraction form
900,090.68/1,242,122 = 507,592.44/x - Step 3: Cross multiply
900,090.68x = 1,242,122 × 507,592.44 - Step 4: Simplify right side
900,090.68x = 630,491,736,757.68 - Step 5: Solve for x
x = 630,491,736,757.68/900,090.68 - Step 6: Final answer
x = 700,475.80
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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.