Home / 868,105.70-1,301,964.15-570,673.70

Finding the Fourth Proportional to 868,105.70, 1,301,964.15 and 570,673.70

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Solution

The fourth proportional to 868,105.70, 1,301,964.15 and 570,673.70 is: 855,882.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,105.70 : 1,301,964.15 = 570,673.70 : x
  2. Step 2: Convert to fraction form
    868,105.70/1,301,964.15 = 570,673.70/x
  3. Step 3: Cross multiply
    868,105.70x = 1,301,964.15 × 570,673.70
  4. Step 4: Simplify right side
    868,105.70x = 742,996,698,747.86
  5. Step 5: Solve for x
    x = 742,996,698,747.86/868,105.70
  6. Step 6: Final answer
    x = 855,882.76

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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.