Home / 783,148.30-1,174,723.47-214,534.45

Finding the Fourth Proportional to 783,148.30, 1,174,723.47 and 214,534.45

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Solution

The fourth proportional to 783,148.30, 1,174,723.47 and 214,534.45 is: 321,801.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,148.30 : 1,174,723.47 = 214,534.45 : x
  2. Step 2: Convert to fraction form
    783,148.30/1,174,723.47 = 214,534.45/x
  3. Step 3: Cross multiply
    783,148.30x = 1,174,723.47 × 214,534.45
  4. Step 4: Simplify right side
    783,148.30x = 252,018,652,004.74
  5. Step 5: Solve for x
    x = 252,018,652,004.74/783,148.30
  6. Step 6: Final answer
    x = 321,801.95

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1.5x scale

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.