Home / 947,756.65-1,421,883.97-340,606.27

Finding the Fourth Proportional to 947,756.65, 1,421,883.97 and 340,606.27

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Solution

The fourth proportional to 947,756.65, 1,421,883.97 and 340,606.27 is: 510,998.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,756.65 : 1,421,883.97 = 340,606.27 : x
  2. Step 2: Convert to fraction form
    947,756.65/1,421,883.97 = 340,606.27/x
  3. Step 3: Cross multiply
    947,756.65x = 1,421,883.97 × 340,606.27
  4. Step 4: Simplify right side
    947,756.65x = 484,302,595,394.49
  5. Step 5: Solve for x
    x = 484,302,595,394.49/947,756.65
  6. Step 6: Final answer
    x = 510,998.89

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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.