Home / 558,491.20-837,314.88-278,206.72

Finding the Fourth Proportional to 558,491.20, 837,314.88 and 278,206.72

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Solution

The fourth proportional to 558,491.20, 837,314.88 and 278,206.72 is: 417,099.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,491.20 : 837,314.88 = 278,206.72 : x
  2. Step 2: Convert to fraction form
    558,491.20/837,314.88 = 278,206.72/x
  3. Step 3: Cross multiply
    558,491.20x = 837,314.88 × 278,206.72
  4. Step 4: Simplify right side
    558,491.20x = 232,946,626,371.99
  5. Step 5: Solve for x
    x = 232,946,626,371.99/558,491.20
  6. Step 6: Final answer
    x = 417,099.90

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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.