Finding the Fourth Proportional to 570,785.12, 787,689.26 and 344,386.88
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Solution
The fourth proportional to 570,785.12, 787,689.26 and 344,386.88 is: 475,257.38
Step by Step Solution
- Step 1: Write the proportion equation
570,785.12 : 787,689.26 = 344,386.88 : x - Step 2: Convert to fraction form
570,785.12/787,689.26 = 344,386.88/x - Step 3: Cross multiply
570,785.12x = 787,689.26 × 344,386.88 - Step 4: Simplify right side
570,785.12x = 271,269,841,000.53 - Step 5: Solve for x
x = 271,269,841,000.53/570,785.12 - Step 6: Final answer
x = 475,257.38
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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.