Home / 840,846.72-1,160,325.41-478,262.58

Finding the Fourth Proportional to 840,846.72, 1,160,325.41 and 478,262.58

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Solution

The fourth proportional to 840,846.72, 1,160,325.41 and 478,262.58 is: 659,977.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,846.72 : 1,160,325.41 = 478,262.58 : x
  2. Step 2: Convert to fraction form
    840,846.72/1,160,325.41 = 478,262.58/x
  3. Step 3: Cross multiply
    840,846.72x = 1,160,325.41 × 478,262.58
  4. Step 4: Simplify right side
    840,846.72x = 554,940,217,483.63
  5. Step 5: Solve for x
    x = 554,940,217,483.63/840,846.72
  6. Step 6: Final answer
    x = 659,977.86

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1.5x scale

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.