Home / 570,406.03-787,106.90-340,917.73

Finding the Fourth Proportional to 570,406.03, 787,106.90 and 340,917.73

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Solution

The fourth proportional to 570,406.03, 787,106.90 and 340,917.73 is: 470,434.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,406.03 : 787,106.90 = 340,917.73 : x
  2. Step 2: Convert to fraction form
    570,406.03/787,106.90 = 340,917.73/x
  3. Step 3: Cross multiply
    570,406.03x = 787,106.90 × 340,917.73
  4. Step 4: Simplify right side
    570,406.03x = 268,338,696,499.86
  5. Step 5: Solve for x
    x = 268,338,696,499.86/570,406.03
  6. Step 6: Final answer
    x = 470,434.54

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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.