Finding the Fourth Proportional to 653,225.43, 901,465.37 and 358,878.95
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Solution
The fourth proportional to 653,225.43, 901,465.37 and 358,878.95 is: 495,260.79
Step by Step Solution
- Step 1: Write the proportion equation
653,225.43 : 901,465.37 = 358,878.95 : x - Step 2: Convert to fraction form
653,225.43/901,465.37 = 358,878.95/x - Step 3: Cross multiply
653,225.43x = 901,465.37 × 358,878.95 - Step 4: Simplify right side
653,225.43x = 323,516,945,890.23 - Step 5: Solve for x
x = 323,516,945,890.23/653,225.43 - Step 6: Final answer
x = 495,260.79
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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.