Home / 464,947.12-641,381.64-383,901.76

Finding the Fourth Proportional to 464,947.12, 641,381.64 and 383,901.76

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Solution

The fourth proportional to 464,947.12, 641,381.64 and 383,901.76 is: 529,581.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,947.12 : 641,381.64 = 383,901.76 : x
  2. Step 2: Convert to fraction form
    464,947.12/641,381.64 = 383,901.76/x
  3. Step 3: Cross multiply
    464,947.12x = 641,381.64 × 383,901.76
  4. Step 4: Simplify right side
    464,947.12x = 246,227,540,427.69
  5. Step 5: Solve for x
    x = 246,227,540,427.69/464,947.12
  6. Step 6: Final answer
    x = 529,581.82

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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.