Home / 689,491.72-1,033,981.60-240,097.24

Finding the Fourth Proportional to 689,491.72, 1,033,981.60 and 240,097.24

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Solution

The fourth proportional to 689,491.72, 1,033,981.60 and 240,097.24 is: 360,056.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,491.72 : 1,033,981.60 = 240,097.24 : x
  2. Step 2: Convert to fraction form
    689,491.72/1,033,981.60 = 240,097.24/x
  3. Step 3: Cross multiply
    689,491.72x = 1,033,981.60 × 240,097.24
  4. Step 4: Simplify right side
    689,491.72x = 248,256,128,370.78
  5. Step 5: Solve for x
    x = 248,256,128,370.78/689,491.72
  6. Step 6: Final answer
    x = 360,056.72

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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.