Home / 523,867.02-723,023.46-309,059.88

Finding the Fourth Proportional to 523,867.02, 723,023.46 and 309,059.88

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Solution

The fourth proportional to 523,867.02, 723,023.46 and 309,059.88 is: 426,553.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,867.02 : 723,023.46 = 309,059.88 : x
  2. Step 2: Convert to fraction form
    523,867.02/723,023.46 = 309,059.88/x
  3. Step 3: Cross multiply
    523,867.02x = 723,023.46 × 309,059.88
  4. Step 4: Simplify right side
    523,867.02x = 223,457,543,784.79
  5. Step 5: Solve for x
    x = 223,457,543,784.79/523,867.02
  6. Step 6: Final answer
    x = 426,553.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.