Home / 707,502.20-1,059,698.10-426,529.40

Finding the Fourth Proportional to 707,502.20, 1,059,698.10 and 426,529.40

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Solution

The fourth proportional to 707,502.20, 1,059,698.10 and 426,529.40 is: 638,856.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,502.20 : 1,059,698.10 = 426,529.40 : x
  2. Step 2: Convert to fraction form
    707,502.20/1,059,698.10 = 426,529.40/x
  3. Step 3: Cross multiply
    707,502.20x = 1,059,698.10 × 426,529.40
  4. Step 4: Simplify right side
    707,502.20x = 451,992,394,774.14
  5. Step 5: Solve for x
    x = 451,992,394,774.14/707,502.20
  6. Step 6: Final answer
    x = 638,856.52

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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.