Finding the Fourth Proportional to 688,025.34, 949,448.93 and 382,121.42
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Solution
The fourth proportional to 688,025.34, 949,448.93 and 382,121.42 is: 527,313.09
Step by Step Solution
- Step 1: Write the proportion equation
688,025.34 : 949,448.93 = 382,121.42 : x - Step 2: Convert to fraction form
688,025.34/949,448.93 = 382,121.42/x - Step 3: Cross multiply
688,025.34x = 949,448.93 × 382,121.42 - Step 4: Simplify right side
688,025.34x = 362,804,766,691.23 - Step 5: Solve for x
x = 362,804,766,691.23/688,025.34 - Step 6: Final answer
x = 527,313.09
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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.