Home / 528,024.70-792,037.05-317,899.90

Finding the Fourth Proportional to 528,024.70, 792,037.05 and 317,899.90

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Solution

The fourth proportional to 528,024.70, 792,037.05 and 317,899.90 is: 476,849.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,024.70 : 792,037.05 = 317,899.90 : x
  2. Step 2: Convert to fraction form
    528,024.70/792,037.05 = 317,899.90/x
  3. Step 3: Cross multiply
    528,024.70x = 792,037.05 × 317,899.90
  4. Step 4: Simplify right side
    528,024.70x = 251,788,498,991.30
  5. Step 5: Solve for x
    x = 251,788,498,991.30/528,024.70
  6. Step 6: Final answer
    x = 476,849.85

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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.