Finding the Fourth Proportional to 753,122, 1,130,149.88 and 437,727.44
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Solution
The fourth proportional to 753,122, 1,130,149.88 and 437,727.44 is: 656,862.52
Step by Step Solution
- Step 1: Write the proportion equation
753,122 : 1,130,149.88 = 437,727.44 : x - Step 2: Convert to fraction form
753,122/1,130,149.88 = 437,727.44/x - Step 3: Cross multiply
753,122x = 1,130,149.88 × 437,727.44 - Step 4: Simplify right side
753,122x = 494,697,613,788.71 - Step 5: Solve for x
x = 494,697,613,788.71/753,122 - Step 6: Final answer
x = 656,862.52
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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.