Home / 669,884.10-1,004,826.15-457,307.70

Finding the Fourth Proportional to 669,884.10, 1,004,826.15 and 457,307.70

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Solution

The fourth proportional to 669,884.10, 1,004,826.15 and 457,307.70 is: 685,961.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,884.10 : 1,004,826.15 = 457,307.70 : x
  2. Step 2: Convert to fraction form
    669,884.10/1,004,826.15 = 457,307.70/x
  3. Step 3: Cross multiply
    669,884.10x = 1,004,826.15 × 457,307.70
  4. Step 4: Simplify right side
    669,884.10x = 459,514,735,556.36
  5. Step 5: Solve for x
    x = 459,514,735,556.36/669,884.10
  6. Step 6: Final answer
    x = 685,961.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.