Home / 528,023.70-792,035.55-317,898.90

Finding the Fourth Proportional to 528,023.70, 792,035.55 and 317,898.90

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Solution

The fourth proportional to 528,023.70, 792,035.55 and 317,898.90 is: 476,848.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,023.70 : 792,035.55 = 317,898.90 : x
  2. Step 2: Convert to fraction form
    528,023.70/792,035.55 = 317,898.90/x
  3. Step 3: Cross multiply
    528,023.70x = 792,035.55 × 317,898.90
  4. Step 4: Simplify right side
    528,023.70x = 251,787,230,105.90
  5. Step 5: Solve for x
    x = 251,787,230,105.90/528,023.70
  6. Step 6: Final answer
    x = 476,848.35

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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.