Home / 570,277.67-786,929.87-340,789.42

Finding the Fourth Proportional to 570,277.67, 786,929.87 and 340,789.42

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Solution

The fourth proportional to 570,277.67, 786,929.87 and 340,789.42 is: 470,257.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,277.67 : 786,929.87 = 340,789.42 : x
  2. Step 2: Convert to fraction form
    570,277.67/786,929.87 = 340,789.42/x
  3. Step 3: Cross multiply
    570,277.67x = 786,929.87 × 340,789.42
  4. Step 4: Simplify right side
    570,277.67x = 268,177,372,862.62
  5. Step 5: Solve for x
    x = 268,177,372,862.62/570,277.67
  6. Step 6: Final answer
    x = 470,257.54

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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.