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Finding the Fourth Proportional to 653,229.26, 901,470.63 and 358,882.77

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Solution

The fourth proportional to 653,229.26, 901,470.63 and 358,882.77 is: 495,266.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,229.26 : 901,470.63 = 358,882.77 : x
  2. Step 2: Convert to fraction form
    653,229.26/901,470.63 = 358,882.77/x
  3. Step 3: Cross multiply
    653,229.26x = 901,470.63 × 358,882.77
  4. Step 4: Simplify right side
    653,229.26x = 323,522,276,768.05
  5. Step 5: Solve for x
    x = 323,522,276,768.05/653,229.26
  6. Step 6: Final answer
    x = 495,266.05

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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.