Home / 669,889.60-1,004,834.40-457,313.20

Finding the Fourth Proportional to 669,889.60, 1,004,834.40 and 457,313.20

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Solution

The fourth proportional to 669,889.60, 1,004,834.40 and 457,313.20 is: 685,969.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,889.60 : 1,004,834.40 = 457,313.20 : x
  2. Step 2: Convert to fraction form
    669,889.60/1,004,834.40 = 457,313.20/x
  3. Step 3: Cross multiply
    669,889.60x = 1,004,834.40 × 457,313.20
  4. Step 4: Simplify right side
    669,889.60x = 459,524,034,934.08
  5. Step 5: Solve for x
    x = 459,524,034,934.08/669,889.60
  6. Step 6: Final answer
    x = 685,969.80

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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.