Finding the Fourth Proportional to 688,202.24, 949,718.40 and 386,397.44
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Solution
The fourth proportional to 688,202.24, 949,718.40 and 386,397.44 is: 533,228.08
Step by Step Solution
- Step 1: Write the proportion equation
688,202.24 : 949,718.40 = 386,397.44 : x - Step 2: Convert to fraction form
688,202.24/949,718.40 = 386,397.44/x - Step 3: Cross multiply
688,202.24x = 949,718.40 × 386,397.44 - Step 4: Simplify right side
688,202.24x = 366,968,758,480.90 - Step 5: Solve for x
x = 366,968,758,480.90/688,202.24 - Step 6: Final answer
x = 533,228.08
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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.