Home / 847,644.38-1,169,749.72-465,695.76

Finding the Fourth Proportional to 847,644.38, 1,169,749.72 and 465,695.76

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Solution

The fourth proportional to 847,644.38, 1,169,749.72 and 465,695.76 is: 642,660.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,644.38 : 1,169,749.72 = 465,695.76 : x
  2. Step 2: Convert to fraction form
    847,644.38/1,169,749.72 = 465,695.76/x
  3. Step 3: Cross multiply
    847,644.38x = 1,169,749.72 × 465,695.76
  4. Step 4: Simplify right side
    847,644.38x = 544,747,484,865.19
  5. Step 5: Solve for x
    x = 544,747,484,865.19/847,644.38
  6. Step 6: Final answer
    x = 642,660.41

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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.