Home / 947,834.70-1,421,752.05-316,748.51

Finding the Fourth Proportional to 947,834.70, 1,421,752.05 and 316,748.51

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Solution

The fourth proportional to 947,834.70, 1,421,752.05 and 316,748.51 is: 475,122.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,834.70 : 1,421,752.05 = 316,748.51 : x
  2. Step 2: Convert to fraction form
    947,834.70/1,421,752.05 = 316,748.51/x
  3. Step 3: Cross multiply
    947,834.70x = 1,421,752.05 × 316,748.51
  4. Step 4: Simplify right side
    947,834.70x = 450,337,836,318.19
  5. Step 5: Solve for x
    x = 450,337,836,318.19/947,834.70
  6. Step 6: Final answer
    x = 475,122.76

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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.