Finding the Fourth Proportional to 935,674.32, 1,291,243.84 and 572,965.84
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Solution
The fourth proportional to 935,674.32, 1,291,243.84 and 572,965.84 is: 790,700.99
Step by Step Solution
- Step 1: Write the proportion equation
935,674.32 : 1,291,243.84 = 572,965.84 : x - Step 2: Convert to fraction form
935,674.32/1,291,243.84 = 572,965.84/x - Step 3: Cross multiply
935,674.32x = 1,291,243.84 × 572,965.84 - Step 4: Simplify right side
935,674.32x = 739,838,611,430.43 - Step 5: Solve for x
x = 739,838,611,430.43/935,674.32 - Step 6: Final answer
x = 790,700.99
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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.