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Finding the Fourth Proportional to 523,830.80, 784,579.80 and 453,846.80

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Solution

The fourth proportional to 523,830.80, 784,579.80 and 453,846.80 is: 679,759.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,830.80 : 784,579.80 = 453,846.80 : x
  2. Step 2: Convert to fraction form
    523,830.80/784,579.80 = 453,846.80/x
  3. Step 3: Cross multiply
    523,830.80x = 784,579.80 × 453,846.80
  4. Step 4: Simplify right side
    523,830.80x = 356,079,031,574.64
  5. Step 5: Solve for x
    x = 356,079,031,574.64/523,830.80
  6. Step 6: Final answer
    x = 679,759.63

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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.