Home / 782,570.91-1,174,256.68-372,704.21

Finding the Fourth Proportional to 782,570.91, 1,174,256.68 and 372,704.21

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Solution

The fourth proportional to 782,570.91, 1,174,256.68 and 372,704.21 is: 559,246.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,570.91 : 1,174,256.68 = 372,704.21 : x
  2. Step 2: Convert to fraction form
    782,570.91/1,174,256.68 = 372,704.21/x
  3. Step 3: Cross multiply
    782,570.91x = 1,174,256.68 × 372,704.21
  4. Step 4: Simplify right side
    782,570.91x = 437,650,411,430.82
  5. Step 5: Solve for x
    x = 437,650,411,430.82/782,570.91
  6. Step 6: Final answer
    x = 559,246.97

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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.