Finding the Fourth Proportional to 570,786.08, 787,690.53 and 344,387.84
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Solution
The fourth proportional to 570,786.08, 787,690.53 and 344,387.84 is: 475,258.68
Step by Step Solution
- Step 1: Write the proportion equation
570,786.08 : 787,690.53 = 344,387.84 : x - Step 2: Convert to fraction form
570,786.08/787,690.53 = 344,387.84/x - Step 3: Cross multiply
570,786.08x = 787,690.53 × 344,387.84 - Step 4: Simplify right side
570,786.08x = 271,271,036,276.70 - Step 5: Solve for x
x = 271,271,036,276.70/570,786.08 - Step 6: Final answer
x = 475,258.68
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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.