Finding the Fourth Proportional to 900,335.76, 1,349,004.12 and 633,535.68
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Solution
The fourth proportional to 900,335.76, 1,349,004.12 and 633,535.68 is: 949,248.36
Step by Step Solution
- Step 1: Write the proportion equation
900,335.76 : 1,349,004.12 = 633,535.68 : x - Step 2: Convert to fraction form
900,335.76/1,349,004.12 = 633,535.68/x - Step 3: Cross multiply
900,335.76x = 1,349,004.12 × 633,535.68 - Step 4: Simplify right side
900,335.76x = 854,642,241,145.50 - Step 5: Solve for x
x = 854,642,241,145.50/900,335.76 - Step 6: Final answer
x = 949,248.36
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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.