Home / 683,136.60-1,024,320.90-262,426.20

Finding the Fourth Proportional to 683,136.60, 1,024,320.90 and 262,426.20

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Solution

The fourth proportional to 683,136.60, 1,024,320.90 and 262,426.20 is: 393,491.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,136.60 : 1,024,320.90 = 262,426.20 : x
  2. Step 2: Convert to fraction form
    683,136.60/1,024,320.90 = 262,426.20/x
  3. Step 3: Cross multiply
    683,136.60x = 1,024,320.90 × 262,426.20
  4. Step 4: Simplify right side
    683,136.60x = 268,808,641,367.58
  5. Step 5: Solve for x
    x = 268,808,641,367.58/683,136.60
  6. Step 6: Final answer
    x = 393,491.79

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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.