Home / 683,140.60-1,024,326.90-262,430.20

Finding the Fourth Proportional to 683,140.60, 1,024,326.90 and 262,430.20

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Solution

The fourth proportional to 683,140.60, 1,024,326.90 and 262,430.20 is: 393,497.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,140.60 : 1,024,326.90 = 262,430.20 : x
  2. Step 2: Convert to fraction form
    683,140.60/1,024,326.90 = 262,430.20/x
  3. Step 3: Cross multiply
    683,140.60x = 1,024,326.90 × 262,430.20
  4. Step 4: Simplify right side
    683,140.60x = 268,814,313,232.38
  5. Step 5: Solve for x
    x = 268,814,313,232.38/683,140.60
  6. Step 6: Final answer
    x = 393,497.79

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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.