Finding the Fourth Proportional to 750,956.16, 1,036,319.36 and 449,221.44
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Solution
The fourth proportional to 750,956.16, 1,036,319.36 and 449,221.44 is: 619,925.50
Step by Step Solution
- Step 1: Write the proportion equation
750,956.16 : 1,036,319.36 = 449,221.44 : x - Step 2: Convert to fraction form
750,956.16/1,036,319.36 = 449,221.44/x - Step 3: Cross multiply
750,956.16x = 1,036,319.36 × 449,221.44 - Step 4: Simplify right side
750,956.16x = 465,536,875,199.08 - Step 5: Solve for x
x = 465,536,875,199.08/750,956.16 - Step 6: Final answer
x = 619,925.50
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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.