Home / 945,122.20-1,417,812.90-313,970.20

Finding the Fourth Proportional to 945,122.20, 1,417,812.90 and 313,970.20

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Solution

The fourth proportional to 945,122.20, 1,417,812.90 and 313,970.20 is: 470,998.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,122.20 : 1,417,812.90 = 313,970.20 : x
  2. Step 2: Convert to fraction form
    945,122.20/1,417,812.90 = 313,970.20/x
  3. Step 3: Cross multiply
    945,122.20x = 1,417,812.90 × 313,970.20
  4. Step 4: Simplify right side
    945,122.20x = 445,150,999,775.58
  5. Step 5: Solve for x
    x = 445,150,999,775.58/945,122.20
  6. Step 6: Final answer
    x = 470,998.35

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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.