Home / 648,440.20-972,429.90-293,624.20

Finding the Fourth Proportional to 648,440.20, 972,429.90 and 293,624.20

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Solution

The fourth proportional to 648,440.20, 972,429.90 and 293,624.20 is: 440,331.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,440.20 : 972,429.90 = 293,624.20 : x
  2. Step 2: Convert to fraction form
    648,440.20/972,429.90 = 293,624.20/x
  3. Step 3: Cross multiply
    648,440.20x = 972,429.90 × 293,624.20
  4. Step 4: Simplify right side
    648,440.20x = 285,528,951,443.58
  5. Step 5: Solve for x
    x = 285,528,951,443.58/648,440.20
  6. Step 6: Final answer
    x = 440,331.97

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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.