Finding the Fourth Proportional to 607,248.72, 909,713.97 and 340,201.44
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Solution
The fourth proportional to 607,248.72, 909,713.97 and 340,201.44 is: 509,652.79
Step by Step Solution
- Step 1: Write the proportion equation
607,248.72 : 909,713.97 = 340,201.44 : x - Step 2: Convert to fraction form
607,248.72/909,713.97 = 340,201.44/x - Step 3: Cross multiply
607,248.72x = 909,713.97 × 340,201.44 - Step 4: Simplify right side
607,248.72x = 309,486,002,582.12 - Step 5: Solve for x
x = 309,486,002,582.12/607,248.72 - Step 6: Final answer
x = 509,652.79
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.