Home / 830,276.19-1,244,446.47-381,044.52

Finding the Fourth Proportional to 830,276.19, 1,244,446.47 and 381,044.52

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Solution

The fourth proportional to 830,276.19, 1,244,446.47 and 381,044.52 is: 571,122.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,276.19 : 1,244,446.47 = 381,044.52 : x
  2. Step 2: Convert to fraction form
    830,276.19/1,244,446.47 = 381,044.52/x
  3. Step 3: Cross multiply
    830,276.19x = 1,244,446.47 × 381,044.52
  4. Step 4: Simplify right side
    830,276.19x = 474,189,507,826.84
  5. Step 5: Solve for x
    x = 474,189,507,826.84/830,276.19
  6. Step 6: Final answer
    x = 571,122.61

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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.