Finding the Fourth Proportional to 751,516.76, 1,037,071.68 and 429,220.19
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Solution
The fourth proportional to 751,516.76, 1,037,071.68 and 429,220.19 is: 592,311.61
Step by Step Solution
- Step 1: Write the proportion equation
751,516.76 : 1,037,071.68 = 429,220.19 : x - Step 2: Convert to fraction form
751,516.76/1,037,071.68 = 429,220.19/x - Step 3: Cross multiply
751,516.76x = 1,037,071.68 × 429,220.19 - Step 4: Simplify right side
751,516.76x = 445,132,103,533.22 - Step 5: Solve for x
x = 445,132,103,533.22/751,516.76 - Step 6: Final answer
x = 592,311.61
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1.5x scale
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.